DAVID SFOLLOWILLDAVID S FOLLOWILL8527FOLLOWILL, DAVID SProfessorprns:coAuthorOfcoauthor ofFaculty Rankprns:fullNamefull nameprns:hasAuthorListauthor listprns:hasFacultyRankhas faculty rankprns:hasNetworkhas networkprns:hasPublicationVenuepublished inprns:informationResourceReferenceinformation resource referenceprns:isPrimaryPositionis primary positionprns:maxWeightmaximum weightprns:medlineTAjournal title abbreviationprns:meshDescriptorUIMeSH DescriptorUIprns:meshSemanticGroupNameMeSH semantic group nameprns:minWeightminimum weightprns:numberOfAuthorsnumber of authorsprns:numberOfConnectionsnumber of connectionsprns:numberOfPublicationsnumber of publicationsprns:personIdPerson IDprns:personInPrimaryPositionperson in primary positionprns:positionInDepartmentposition in departmentprns:positionInDivisionposition in divisionprns:predicateNodepredicate nodeprns:publicationDatepublication dateprns:similarTosimilar toprns:sortOrdersort orderprns:uniquenessWeightuniqueness weightprns:yearyearAcademic ArticleArticleDocumentbibo:pmidPubMed IdentifierAddressvivo:address1address line 1vivo:addressCitycityvivo:addressPostalCodepostal codevivo:addressStatestate or provincevivo:authorInAuthorshipselected publicationsvivo:authorRankauthor rank in publicationAuthorshipDepartmentDivisionvivo:hasResearchArearesearch areasvivo:hrJobTitleHR job titleInformation Resourcevivo:linkedAuthorlinked authorvivo:linkedInformationResourcelinked information resourcevivo:mailingAddressmailing addressvivo:personInPositionpositionsPositionvivo:positionInOrganizationposition in organizationvivo:preferredTitlepreferred titlerdf:predicatepredicaterdf:typetyperdfs:labellabelConceptAgentfoaf:firstNamefirst namefoaf:lastNamelast nameOrganizationPerson8060 El Rio StHouston77054-4104TXAuthorship 1634664Authorship 1663991Authorship 1671063Authorship 1733513Authorship 1737923Authorship 1785613Authorship 1811693Authorship 1860185Authorship 1880452Authorship 1909964Authorship 19167515Authorship 1917114Authorship 1937785Authorship 19437631693138Newman RA, Siddik ZH, Travis EL, Followill D, Ayele W, Burditt T, Krakoff IHInvestigational new drugsAssessment of pulmonary and hematologic toxicities of liblomycin, a novel bleomycin analog. Invest New Drugs. 1990 Feb; 8(1):33-41.Invest New Drugs1990-02-01T00:00:001990Assessment of pulmonary and hematologic toxicities of liblomycin, a novel bleomycin analog.9243474Followill DS, Davis DS, Hanson WFMedical physicsTG-21 versus TG-25: a comparison for electrons. Med Phys. 1997 Jul; 24(7):1117-21.Med Phys1997-07-01T00:00:001997TG-21 versus TG-25: a comparison for electrons.9571617Tailor RC, Chu C, Followill DS, Hanson WFMedical physicsEquilibration of air temperature inside the thimble of a Farmer-type ion chamber. Med Phys. 1998 Apr; 25(4):496-502.Med Phys1998-04-01T00:00:001998Equilibration of air temperature inside the thimble of a Farmer-type ion chamber.12504059Urie M, FitzGerald TJ, Followill D, Laurie F, Marcus R, Michalski JInternational journal of radiation oncology, biology, physicsCurrent calibration, treatment, and treatment planning techniques among institutions participating in the Children's Oncology Group. Int J Radiat Oncol Biol Phys. 2003 Jan 01; 55(1):245-60.Int J Radiat Oncol Biol Phys2003-01-01T00:00:002003Current calibration, treatment, and treatment planning techniques among institutions participating in the Children's Oncology Group.15990025Kry SF, Salehpour M, Followill DS, Stovall M, Kuban DA, White RA, Rosen IIInternational journal of radiation oncology, biology, physicsThe calculated risk of fatal secondary malignancies from intensity-modulated radiation therapy. Int J Radiat Oncol Biol Phys. 2005 Jul 15; 62(4):1195-203.Int J Radiat Oncol Biol Phys2005-07-15T00:00:002005The calculated risk of fatal secondary malignancies from intensity-modulated radiation therapy.17926952Kry SF, Titt U, Followill D, P?nisch F, Vassiliev ON, White RA, Stovall M, Salehpour MMedical physicsA Monte Carlo model for out-of-field dose calculation from high-energy photon therapy. Med Phys. 2007 Sep; 34(9):3489-99.Med Phys2007-09-01T00:00:002007A Monte Carlo model for out-of-field dose calculation from high-energy photon therapy.18449155Kry SF, Price M, Followill D, Mourtada F, Salehpour MJournal of applied clinical medical physicsThe use of LiF (TLD-100) as an out-of-field dosimeter. J Appl Clin Med Phys. 2007 Sep 24; 8(4):169-175.J Appl Clin Med Phys2007-09-24T00:00:002007The use of LiF (TLD-100) as an out-of-field dosimeter.21776799Scarboro SB, Followill DS, Howell RM, Kry SFMedical physicsVariations in photon energy spectra of a 6 MV beam and their impact on TLD response. Med Phys. 2011 May; 38(5):2619-28.Med Phys2011-05-01T00:00:002011Variations in photon energy spectra of a 6 MV beam and their impact on TLD response.23149774Kry SF, Popple R, Molineu A, Followill DSJournal of applied clinical medical physicsIon recombination correction factors (P(ion)) for Varian TrueBeam high-dose-rate therapy beams. J Appl Clin Med Phys. 2012 Nov 08; 13(6):3803.J Appl Clin Med Phys2012-11-08T00:00:002012Ion recombination correction factors (P(ion)) for Varian TrueBeam high-dose-rate therapy beams.24387521Moyers MF, Ibbott GS, Grant RL, Summers PA, Followill DSMedical physicsIndependent dose per monitor unit review of eight U.S.A. proton treatment facilities. Med Phys. 2014 Jan; 41(1):012103.Med Phys2014-01-01T00:00:002014Independent dose per monitor unit review of eight U.S.A. proton treatment facilities.24593704Gibbons JP, Antolak JA, Followill DS, Huq MS, Klein EE, Lam KL, Palta JR, Roback DM, Reid M, Khan FMMedical physicsMonitor unit calculations for external photon and electron beams: Report of the AAPM Therapy Physics Committee Task Group No. 71. Med Phys. 2014 Mar; 41(3):031501.Med Phys2014-03-01T00:00:002014Monitor unit calculations for external photon and electron beams: Report of the AAPM Therapy Physics Committee Task Group No. 71.Radiation OncologyRadiation PhysicsMD AndersonGEOFFREYIBBOTTGEOFFREY IBBOTT8929IBBOTT, GEOFFREYProfessorSTEVEN JAYFRANKSTEVEN JAY FRANK8958FRANK, STEVEN JAYProfessorLAURENCE EDWARDCOURTLAURENCE EDWARD COURT8991COURT, LAURENCE EDWARDAssistant ProfessorREBECCA MAUREENHOWELLREBECCA MAUREEN HOWELL9445HOWELL, REBECCA MAUREENAssociate ProfessorSTEPHEN FKRYSTEPHEN F KRY8918KRY, STEPHEN FAssociate ProfessorRADHEMOHANRADHE MOHAN8990MOHAN, RADHEProfessorGABRIEL OLIVEIRASAWAKUCHIGABRIEL OLIVEIRA SAWAKUCHI9481SAWAKUCHI, GABRIEL OLIVEIRAAssistant Professor6.684890.00357581326research areas12.590.0058587455coauthor of266.43323.406260similar to11210selected publicationsAuthorship 2152081Authorship 2163451Authorship 2170911Authorship 2180481Authorship 2196211Authorship 2203202Authorship 2204954Authorship 2217992Authorship 2237743Authorship 2243436Authorship 2251532Authorship 2274355Authorship 2275014Authorship 2279454Authorship 2280023Authorship 2288043Authorship 2296663Authorship 2304312Authorship 2304564Authorship 2311023Authorship 2314411Authorship 2328814Authorship 2334295Authorship 2336672Authorship 2337822Authorship 2342464Authorship 2342726Authorship 23517478248486Followill DS, Kester D, Travis ELRadiation researchHistological changes in mouse colon after single- and split-dose irradiation. Radiat Res. 1993 Nov; 136(2):280-8.Radiat Res1993-11-01T00:00:001993Histological changes in mouse colon after single- and split-dose irradiation.9231693Followill D, Geis P, Boyer AInternational journal of radiation oncology, biology, physicsEstimates of whole-body dose equivalent produced by beam intensity modulated conformal therapy. Int J Radiat Oncol Biol Phys. 1997 Jun 01; 38(3):667-72.Int J Radiat Oncol Biol Phys1997-06-01T00:00:001997Estimates of whole-body dose equivalent produced by beam intensity modulated conformal therapy.9682206Followill DS, Tailor RC, Tello VM, Hanson WFMedical physicsAn empirical relationship for determining photon beam quality in TG-21 from a ratio of percent depth doses. Med Phys. 1998 Jul; 25(7 Pt 1):1202-5.Med Phys1998-07-01T00:00:001998An empirical relationship for determining photon beam quality in TG-21 from a ratio of percent depth doses.11187008Followill D, Stovall MRadiation researchTinea capitis: uncertainties in radiation dose estimates. Radiat Res. 2000 Dec; 154(6):720-1;discussion 723-4.Radiat Res2000-12-01T00:00:002000Tinea capitis: uncertainties in radiation dose estimates.12738332Nag S, Quivey JM, Earle JD, Followill D, Fontanesi J, Finger PT, American Brachytherapy SocietyInternational journal of radiation oncology, biology, physicsThe American Brachytherapy Society recommendations for brachytherapy of uveal melanomas. Int J Radiat Oncol Biol Phys. 2003 Jun 01; 56(2):544-55.Int J Radiat Oncol Biol Phys2003-06-01T00:00:002003The American Brachytherapy Society recommendations for brachytherapy of uveal melanomas.12829169Olch AJ, Followill D, Thomadsen B, Wichman B, Rosemark P, Hunt MInternational journal of radiation oncology, biology, physicsIn regard to Urie et al.: current calibration treatment, and treatment planning techniques among institutions participating in the Children's Oncology Group. IJROBP 2003;55:245-260. Int J Radiat Oncol Biol Phys. 2003 Jul 15; 56(4):1209-10.Int J Radiat Oncol Biol Phys2003-07-15T00:00:002003In regard to Urie et al.: current calibration treatment, and treatment planning techniques among institutions participating in the Children's Oncology Group. IJROBP 2003;55:245-260.12912695Collaborative Ocular Melanoma Study GroupArchives of ophthalmology (Chicago, Ill. : 1960)Comparison of clinical, echographic, and histopathological measurements from eyes with medium-sized choroidal melanoma in the collaborative ocular melanoma study: COMS report no. 21. Arch Ophthalmol. 2003 Aug; 121(8):1163-71.Arch Ophthalmol2003-08-01T00:00:002003Comparison of clinical, echographic, and histopathological measurements from eyes with medium-sized choroidal melanoma in the collaborative ocular melanoma study: COMS report no. 21.15990026Kry SF, Salehpour M, Followill DS, Stovall M, Kuban DA, White RA, Rosen IIInternational journal of radiation oncology, biology, physicsOut-of-field photon and neutron dose equivalents from step-and-shoot intensity-modulated radiation therapy. Int J Radiat Oncol Biol Phys. 2005 Jul 15; 62(4):1204-16.Int J Radiat Oncol Biol Phys2005-07-15T00:00:002005Out-of-field photon and neutron dose equivalents from step-and-shoot intensity-modulated radiation therapy.16168849Molineu A, Followill DS, Balter PA, Hanson WF, Gillin MT, Huq MS, Eisbruch A, Ibbott GSInternational journal of radiation oncology, biology, physicsDesign and implementation of an anthropomorphic quality assurance phantom for intensity-modulated radiation therapy for the Radiation Therapy Oncology Group. Int J Radiat Oncol Biol Phys. 2005 Oct 01; 63(2):577-83.Int J Radiat Oncol Biol Phys2005-10-01T00:00:002005Design and implementation of an anthropomorphic quality assurance phantom for intensity-modulated radiation therapy for the Radiation Therapy Oncology Group.17555266Davidson SE, Ibbott GS, Prado KL, Dong L, Liao Z, Followill DSMedical physicsAccuracy of two heterogeneity dose calculation algorithms for IMRT in treatment plans designed using an anthropomorphic thorax phantom. Med Phys. 2007 May; 34(5):1850-7.Med Phys2007-05-01T00:00:002007Accuracy of two heterogeneity dose calculation algorithms for IMRT in treatment plans designed using an anthropomorphic thorax phantom.17637398Kry SF, Followill D, White RA, Stovall M, Kuban DA, Salehpour MInternational journal of radiation oncology, biology, physicsUncertainty of calculated risk estimates for secondary malignancies after radiotherapy. Int J Radiat Oncol Biol Phys. 2007 Jul 15; 68(4):1265-71.Int J Radiat Oncol Biol Phys2007-07-15T00:00:002007Uncertainty of calculated risk estimates for secondary malignancies after radiotherapy.19472632Kry SF, Howell RM, Salehpour M, Followill DSMedical physicsNeutron spectra and dose equivalents calculated in tissue for high-energy radiation therapy. Med Phys. 2009 Apr; 36(4):1244-50.Med Phys2009-04-01T00:00:002009Neutron spectra and dose equivalents calculated in tissue for high-energy radiation therapy.19673223Gerbi BJ, Antolak JA, Deibel FC, Followill DS, Herman MG, Higgins PD, Huq MS, Mihailidis DN, Yorke ED, Hogstrom KR, Khan FMMedical physicsRecommendations for clinical electron beam dosimetry: supplement to the recommendations of Task Group 25. Med Phys. 2009 Jul; 36(7):3239-79.Med Phys2009-07-01T00:00:002009Recommendations for clinical electron beam dosimetry: supplement to the recommendations of Task Group 25.19746777Vinogradskiy YY, Balter P, Followill DS, Alvarez PE, White RA, Starkschall GMedical physicsVerification of four-dimensional photon dose calculations. Med Phys. 2009 Aug; 36(8):3438-47.Med Phys2009-08-01T00:00:002009Verification of four-dimensional photon dose calculations.19810475Howell RM, Kry SF, Burgett E, Hertel NE, Followill DSMedical physicsSecondary neutron spectra from modern Varian, Siemens, and Elekta linacs with multileaf collimators. Med Phys. 2009 Sep; 36(9):4027-38.Med Phys2009-09-01T00:00:002009Secondary neutron spectra from modern Varian, Siemens, and Elekta linacs with multileaf collimators.20117298Ibbott GS, Molineu A, Followill DSInternational journal of radiation oncology, biology, physicsIn regards to Dr. Eisbruch A et al. (Int J Radiat Oncol Biol Phys 2009. Electronic publication, June 17, 2009.). Int J Radiat Oncol Biol Phys. 2010 Feb 01; 76(2):639; author reply 639.Int J Radiat Oncol Biol Phys2010-02-01T00:00:002010In regards to Dr. Eisbruch A et al. (Int J Radiat Oncol Biol Phys 2009. Electronic publication, June 17, 2009.).20879569Benedict SH, Yenice KM, Followill D, Galvin JM, Hinson W, Kavanagh B, Keall P, Lovelock M, Meeks S, Papiez L, Purdie T, Sadagopan R, Schell MC, Salter B, Schlesinger DJ, Shiu AS, Solberg T, Song DY, Stieber V, Timmerman R, Tom? WA, Verellen D, Wang L, Yin FFMedical physicsStereotactic body radiation therapy: the report of AAPM Task Group 101. Med Phys. 2010 Aug; 37(8):4078-101.Med Phys2010-08-01T00:00:002010Stereotactic body radiation therapy: the report of AAPM Task Group 101.21858992Kerns JR, Kry SF, Sahoo N, Followill DS, Ibbott GSMedical physicsAngular dependence of the nanoDot OSL dosimeter. Med Phys. 2011 Jul; 38(7):3955-62.Med Phys2011-07-01T00:00:002011Angular dependence of the nanoDot OSL dosimeter.22316381Neubauer E, Dong L, Followill DS, Garden AS, Court LE, White RA, Kry SFRadiation oncology (London, England)Assessment of shoulder position variation and its impact on IMRT and VMAT doses for head and neck cancer. Radiat Oncol. 2012 Feb 08; 7:19.Radiat Oncol2012-02-08T00:00:002012Assessment of shoulder position variation and its impact on IMRT and VMAT doses for head and neck cancer.22493180Scarboro SB, Followill DS, Kerns JR, White RA, Kry SFPhysics in medicine and biologyEnergy response of optically stimulated luminescent dosimeters for non-reference measurement locations in a 6 MV photon beam. Phys Med Biol. 2012 May 07; 57(9):2505-15.Phys Med Biol2012-04-11T00:00:002012Energy response of optically stimulated luminescent dosimeters for non-reference measurement locations in a 6 MV photon beam.22955664Followill DS, Kry SF, Qin L, Lowenstein J, Molineu A, Alvarez P, Aguirre JF, Ibbott GSJournal of applied clinical medical physicsThe Radiological Physics Center's standard dataset for small field size output factors. J Appl Clin Med Phys. 2012 08 08; 13(5):3962.J Appl Clin Med Phys2012-08-08T00:00:002012The Radiological Physics Center's standard dataset for small field size output factors.23387762Molineu A, Hernandez N, Nguyen T, Ibbott G, Followill DMedical physicsCredentialing results from IMRT irradiations of an anthropomorphic head and neck phantom. Med Phys. 2013 Feb; 40(2):022101.Med Phys2013-02-01T00:00:002013Credentialing results from IMRT irradiations of an anthropomorphic head and neck phantom.23470942Huang JY, Followill DS, Wang XA, Kry SFJournal of applied clinical medical physicsAccuracy and sources of error of out-of field dose calculations by a commercial treatment planning system for intensity-modulated radiation therapy treatments. J Appl Clin Med Phys. 2013 Mar 04; 14(2):4139.J Appl Clin Med Phys2013-03-04T00:00:002013Accuracy and sources of error of out-of field dose calculations by a commercial treatment planning system for intensity-modulated radiation therapy treatments.23635258Han T, Followill D, Mikell J, Repchak R, Molineu A, Howell R, Salehpour M, Mourtada FMedical physicsDosimetric impact of Acuros XB deterministic radiation transport algorithm for heterogeneous dose calculation in lung cancer. Med Phys. 2013 May; 40(5):051710.Med Phys2013-05-01T00:00:002013Dosimetric impact of Acuros XB deterministic radiation transport algorithm for heterogeneous dose calculation in lung cancer.23683829Fairchild A, Straube W, Laurie F, Followill DInternational journal of radiation oncology, biology, physicsDoes quality of radiation therapy predict outcomes of multicenter cooperative group trials? A literature review. Int J Radiat Oncol Biol Phys. 2013 Oct 01; 87(2):246-60.Int J Radiat Oncol Biol Phys2013-05-15T00:00:002013Does quality of radiation therapy predict outcomes of multicenter cooperative group trials? A literature review.24320455Casey KE, Alvarez P, Kry SF, Howell RM, Lawyer A, Followill DMedical physicsDevelopment and implementation of a remote audit tool for high dose rate (HDR) Ir-192 brachytherapy using optically stimulated luminescence dosimetry. Med Phys. 2013 Nov; 40(11):112102.Med Phys2013-11-01T00:00:002013Development and implementation of a remote audit tool for high dose rate (HDR) Ir-192 brachytherapy using optically stimulated luminescence dosimetry.24506601Pulliam KB, Huang JY, Howell RM, Followill D, Bosca R, O'Daniel J, Kry SFMedical physicsComparison of 2D and 3D gamma analyses. Med Phys. 2014 Feb; 41(2):021710.Med Phys2014-02-01T00:00:002014Comparison of 2D and 3D gamma analyses.24813094Melidis C, Bosch WR, Izewska J, Fidarova E, Zubizarreta E, Ishikura S, Followill D, Galvin J, Xiao Y, Ebert MA, Kron T, Clark CH, Miles EA, Aird EG, Weber DC, Ulin K, Verellen D, Hurkmans CWRadiotherapy and oncology : journal of the European Society for Therapeutic Radiology and OncologyRadiation therapy quality assurance in clinical trials--Global Harmonisation Group. Radiother Oncol. 2014 Jun; 111(3):327-9.Radiother Oncol2014-05-08T00:00:002014Radiation therapy quality assurance in clinical trials--Global Harmonisation Group.Authorship 2392411Authorship 2441802Authorship 2442022Authorship 2442141Authorship 2444684Authorship 2462231Authorship 2486943Authorship 2494903Authorship 2532216Authorship 2533804Authorship 2551074Authorship 2555673Authorship 2577915Authorship 2608201Authorship 2611854Authorship 26166167494876Followill DS, Travis ELRadiation researchDifferential expression of collagen types I and III in consequential and primary fibrosis in irradiated mouse colon. Radiat Res. 1995 Dec; 144(3):318-28.Radiat Res1995-12-01T00:00:001995Differential expression of collagen types I and III in consequential and primary fibrosis in irradiated mouse colon.11818002Gifford KA, Followill DS, Liu HH, Starkschall GJournal of applied clinical medical physicsVerification of the accuracy of a photon dose-calculation algorithm. J Appl Clin Med Phys. 2002; 3(1):26-45.J Appl Clin Med Phys2002-01-01T00:00:002002Verification of the accuracy of a photon dose-calculation algorithm.12777147Followill DS, Hanson WF, Ibbott GS, Eglezopoulos LR, Chui CSJournal of applied clinical medical physicsDifferences in electron beam dosimetry using two commercial ionization chambers and the TG-21 protocol: another reason to switch to TG-51. J Appl Clin Med Phys. 2003; 4(2):124-31.J Appl Clin Med Phys2003-01-01T00:00:002003Differences in electron beam dosimetry using two commercial ionization chambers and the TG-21 protocol: another reason to switch to TG-51.12777153Tailor RC, Followill DS, Hernandez N, Ibbott GS, Hanson WFJournal of applied clinical medical physicsPredictability of electron cone ratios with respect to linac make and model. J Appl Clin Med Phys. 2003; 4(2):172-8.J Appl Clin Med Phys2003-01-01T00:00:002003Predictability of electron cone ratios with respect to linac make and model.12788199Krintz AL, Hanson WF, Ibbott GS, Followill DSInternational journal of radiation oncology, biology, physicsA reanalysis of the Collaborative Ocular Melanoma Study Medium Tumor Trial eye plaque dosimetry. Int J Radiat Oncol Biol Phys. 2003 Jul 01; 56(3):889-98.Int J Radiat Oncol Biol Phys2003-07-01T00:00:002003A reanalysis of the Collaborative Ocular Melanoma Study Medium Tumor Trial eye plaque dosimetry.15183494Followill DS, Davis DS, Ibbott GSInternational journal of radiation oncology, biology, physicsComparison of electron beam characteristics from multiple accelerators. Int J Radiat Oncol Biol Phys. 2004 Jul 01; 59(3):905-10.Int J Radiat Oncol Biol Phys2004-07-01T00:00:002004Comparison of electron beam characteristics from multiple accelerators.16981790Ibbott GS, Molineu A, Followill DSTechnology in cancer research & treatmentIndependent evaluations of IMRT through the use of an anthropomorphic phantom. Technol Cancer Res Treat. 2006 Oct; 5(5):481-7.Technol Cancer Res Treat2006-10-01T00:00:002006Independent evaluations of IMRT through the use of an anthropomorphic phantom.17153419Kry SF, Titt U, P?nisch F, Followill D, Vassiliev ON, White RA, Mohan R, Salehpour MMedical physicsA Monte Carlo model for calculating out-of-field dose from a varian 6 MV beam. Med Phys. 2006 Nov; 33(11):4405-13.Med Phys2006-11-01T00:00:002006A Monte Carlo model for calculating out-of-field dose from a varian 6 MV beam.19147246Kry SF, Salehpour M, Titt U, White RA, Stovall M, Followill DRadiotherapy and oncology : journal of the European Society for Therapeutic Radiology and OncologyMonte Carlo study shows no significant difference in second cancer risk between 6- and 18-MV intensity-modulated radiation therapy. Radiother Oncol. 2009 Apr; 91(1):132-7.Radiother Oncol2009-01-13T00:00:002009Monte Carlo study shows no significant difference in second cancer risk between 6- and 18-MV intensity-modulated radiation therapy.19175103Davidson SE, Popple RA, Ibbott GS, Followill DSMedical physicsTechnical note: Heterogeneity dose calculation accuracy in IMRT: study of five commercial treatment planning systems using an anthropomorphic thorax phantom. Med Phys. 2008 Dec; 35(12):5434-9.Med Phys2008-12-01T00:00:002008Technical note: Heterogeneity dose calculation accuracy in IMRT: study of five commercial treatment planning systems using an anthropomorphic thorax phantom.19810476Howell RM, Kry SF, Burgett E, Followill D, Hertel NEMedical physicsEffects of tertiary MLC configuration on secondary neutron spectra from 18 MV x-ray beams for the Varian 21EX linear accelerator. Med Phys. 2009 Sep; 36(9):4039-46.Med Phys2009-09-01T00:00:002009Effects of tertiary MLC configuration on secondary neutron spectra from 18 MV x-ray beams for the Varian 21EX linear accelerator.21076196Fontenot JD, Bloch C, Followill D, Titt U, Newhauser WDPhysics in medicine and biologyEstimate of the uncertainties in the relative risk of secondary malignant neoplasms following proton therapy and intensity-modulated photon therapy. Phys Med Biol. 2010 Dec 07; 55(23):6987-98.Phys Med Biol2010-11-12T00:00:002010Estimate of the uncertainties in the relative risk of secondary malignant neoplasms following proton therapy and intensity-modulated photon therapy.22482641Han T, Mourtada F, Kisling K, Mikell J, Followill D, Howell RMedical physicsExperimental validation of deterministic Acuros XB algorithm for IMRT and VMAT dose calculations with the Radiological Physics Center's head and neck phantom. Med Phys. 2012 Apr; 39(4):2193-202.Med Phys2012-04-01T00:00:002012Experimental validation of deterministic Acuros XB algorithm for IMRT and VMAT dose calculations with the Radiological Physics Center's head and neck phantom.24320507Huang JY, Eklund D, Childress NL, Howell RM, Mirkovic D, Followill DS, Kry SFMedical physicsInvestigation of various energy deposition kernel refinements for the convolution/superposition method. Med Phys. 2013 Dec; 40(12):121721.Med Phys2013-12-01T00:00:002013Investigation of various energy deposition kernel refinements for the convolution/superposition method.24660695Mueller JW, Vining DJ, Jones AK, Followill D, Johnson VE, Bhosale P, Rong J, Cody DDAJR. American journal of roentgenologyIn vivo CT dosimetry during CT colonography. AJR Am J Roentgenol. 2014 Apr; 202(4):703-10.AJR Am J Roentgenol2014-04-01T00:00:002014In vivo CT dosimetry during CT colonography.24710462Followill DS, Kry SJournal of applied clinical medical physicsResponse to Thomsen et al.: Comments on "The Radiological Physics Center's standard dataset for small field size output factors". J Appl Clin Med Phys. 2014 Mar 06; 15(2):4841.J Appl Clin Med Phys2014-03-06T00:00:002014Response to Thomsen et al.: Comments on "The Radiological Physics Center's standard dataset for small field size output factors".Authorship 2668921Authorship 2701073Authorship 2709536Authorship 2716147Authorship 271888411641017Greven KM, Levenback C, Chao CK, Delaney T, Del Priore G, Eifel P, Erickson BA, Followill D, Gaffney D, Garcia M, Gerszten K, Grigsby P, Henderson R, Hricak H, Hsu J, Jhingrin A, Kaye A, Kudelka A, Lukka H, Mutch D, Nag S, Rotman M, Shefter T, Smith W, Stehman F, Souhami L, Wenzel L, Winter KA, Wolfson A, Radiation Therapy Oncology GroupInternational journal of radiation oncology, biology, physicsRadiation Therapy Oncology Group. Research Plan 2002-2006. Gynecology Cancer Working Group. Int J Radiat Oncol Biol Phys. 2001; 51(3 Suppl 2):58-9.Int J Radiat Oncol Biol Phys2001-01-01T00:00:002001Radiation Therapy Oncology Group. Research Plan 2002-2006. Gynecology Cancer Working Group.17654910Followill DS, Evans DR, Cherry C, Molineu A, Fisher G, Hanson WF, Ibbott GSMedical physicsDesign, development, and implementation of the radiological physics center's pelvis and thorax anthropomorphic quality assurance phantoms. Med Phys. 2007 Jun; 34(6):2070-6.Med Phys2007-06-01T00:00:002007Design, development, and implementation of the radiological physics center's pelvis and thorax anthropomorphic quality assurance phantoms.22056949Pulliam KB, Howell RM, Followill D, Luo D, White RA, Kry SFPhysics in medicine and biologyThe clinical impact of the couch top and rails on IMRT and arc therapy. Phys Med Biol. 2011 Dec 07; 56(23):7435-47.Phys Med Biol2011-11-04T00:00:002011The clinical impact of the couch top and rails on IMRT and arc therapy.23237006Kry SF, Alvarez P, Molineu A, Amador C, Galvin J, Followill DSInternational journal of radiation oncology, biology, physicsAlgorithms used in heterogeneous dose calculations show systematic differences as measured with the Radiological Physics Center's anthropomorphic thorax phantom used for RTOG credentialing. Int J Radiat Oncol Biol Phys. 2013 Jan 01; 85(1):e95-100.Int J Radiat Oncol Biol Phys2013-01-01T00:00:002013Algorithms used in heterogeneous dose calculations show systematic differences as measured with the Radiological Physics Center's anthropomorphic thorax phantom used for RTOG credentialing.24694120McEwen M, DeWerd L, Ibbott G, Followill D, Rogers DW, Seltzer S, Seuntjens JMedical physicsAddendum to the AAPM's TG-51 protocol for clinical reference dosimetry of high-energy photon beams. Med Phys. 2014 Apr; 41(4):041501.Med Phys2014-04-01T00:00:002014Addendum to the AAPM's TG-51 protocol for clinical reference dosimetry of high-energy photon beams.24710437Grant RL, Summers PA, Neihart JL, Blatnica AP, Sahoo N, Gillin MT, Followill DS, Ibbott GSJournal of applied clinical medical physicsRelative stopping power measurements to aid in the design of anthropomorphic phantoms for proton radiotherapy. J Appl Clin Med Phys. 2014 Mar 06; 15(2):4523.J Appl Clin Med Phys2014-03-06T00:00:002014Relative stopping power measurements to aid in the design of anthropomorphic phantoms for proton radiotherapy.Authorship 2734891Authorship 2738022Authorship 2740123Authorship 2744294Authorship 2749604Authorship 2766412Authorship 27720619507486Tailor RC, Followill DS, Hanson WFMedical physicsA first order approximation of field-size and depth dependence of wedge transmission. Med Phys. 1998 Feb; 25(2):241-4.Med Phys1998-02-01T00:00:001998A first order approximation of field-size and depth dependence of wedge transmission.12841788Followill DS, Stovall MS, Kry SF, Ibbott GSJournal of applied clinical medical physicsNeutron source strength measurements for Varian, Siemens, Elekta, and General Electric linear accelerators. J Appl Clin Med Phys. 2003; 4(3):189-94.J Appl Clin Med Phys2003-01-01T00:00:002003Neutron source strength measurements for Varian, Siemens, Elekta, and General Electric linear accelerators.17654887Followill DS, N?sslin F, Orton CGMedical physicsPoint/counterpoint. IMRT should not be administered at photon energies greater than 10 MV. Med Phys. 2007 Jun; 34(6):1877-9.Med Phys2007-06-01T00:00:002007Point/counterpoint. 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PLoS One. 2018; 13(11):e0205803.PLoS One2018-11-16T00:00:002018Radiation-induced lung toxicity in mice irradiated in a strong magnetic field.D019047Objects24412690.640995Phantoms, ImagingAuthorship 940728830807822Esiashvili N, Lu X, Ulin K, Laurie F, Kessel S, Kalapurakal JA, Merchant TE, Followill DS, Sathiaseelan V, Schmitter MK, Devidas M, Chen Y, Wall DA, Brown PA, Hunger SP, Grupp SA, Pulsipher MAInternational journal of radiation oncology, biology, physicsHigher Reported Lung Dose Received During Total Body Irradiation for Allogeneic Hematopoietic Stem Cell Transplantation in Children With Acute Lymphoblastic Leukemia Is Associated With Inferior Survival: A Report from the Children's Oncology Group. Int J Radiat Oncol Biol Phys. 2019 07 01; 104(3):513-521.Int J Radiat Oncol Biol Phys2019-02-23T00:00:002019Higher Reported Lung Dose Received During Total Body Irradiation for Allogeneic Hematopoietic Stem Cell Transplantation in Children With Acute Lymphoblastic Leukemia Is Associated With Inferior Survival: A Report from the Children's Oncology Group.Authorship 943910430230475Glenn MC, Hernandez V, Saez J, Followill DS, Howell RM, Pollard-Larkin JM, Zhou S, Kry SFPhysics in medicine and biologyTreatment plan complexity does not predict IROC Houston anthropomorphic head and neck phantom performance. Phys Med Biol. 2018 10 17; 63(20):205015.Phys Med Biol2018-10-17T00:00:002018Treatment plan complexity does not predict IROC Houston anthropomorphic head and neck phantom performance.Authorship 944845830950071Steinmann A, O'Brien D, Stafford R, Sawakuchi G, Wen Z, Court L, Fuller C, Followill DMedical physicsInvestigation of TLD and EBT3 performance under the presence of 1.5T, 0.35T, and 0T magnetic field strengths in MR/CT visible materials. Med Phys. 2019 Jul; 46(7):3217-3226.Med Phys2019-05-15T00:00:002019Investigation of TLD and EBT3 performance under the presence of 1.5T, 0.35T, and 0T magnetic field strengths in MR/CT visible materials.23835394Faught AM, Kry SF, Luo D, Molineu A, Bellezza D, Gerber RL, Davidson SE, Bosch W, Drzymala RE, Galvin J, Timmerman R, Sheehan J, Gillin MT, Ibbott GS, Followill DSJournal of applied clinical medical physicsDevelopment of a modified head and neck quality assurance phantom for use in stereotactic radiosurgery trials. J Appl Clin Med Phys. 2013 Jul 08; 14(4):4313.J Appl Clin Med Phys2013-07-08T00:00:002013Development of a modified head and neck quality assurance phantom for use in stereotactic radiosurgery trials.Authorship 948140731125441Arjomandy B, Taylor P, Ainsley C, Safai S, Sahoo N, Pankuch M, Farr JB, Yong Park S, Klein E, Flanz J, Yorke ED, Followill D, Kase YMedical physicsAAPM task group 224: Comprehensive proton therapy machine quality assurance. Med Phys. 2019 Aug; 46(8):e678-e705.Med Phys2019-06-14T00:00:002019AAPM task group 224: Comprehensive proton therapy machine quality assurance.31152568Kry SF, Glenn MC, Peterson CB, Branco D, Mehrens H, Steinmann A, Followill DSMedical physicsIndependent recalculation outperforms traditional measurement-based IMRT QA methods in detecting unacceptable plans. Med Phys. 2019 Aug; 46(8):3700-3708.Med Phys2019-06-23T00:00:002019Independent recalculation outperforms traditional measurement-based IMRT QA methods in detecting unacceptable plans.Authorship 94864712Authorship 9540701931423867Wesolowska P, Georg D, Lechner W, Kazantsev P, Bokulic T, Tedgren AC, Adolfsson E, Campos AM, Alves VGL, Suming L, Hao W, Ekendahl D, Koniarova I, Bulski W, Chelminski K, Samper JLA, Vinatha SP, Rakshit S, Siri S, Tomsejm M, Tenhunen M, Povall J, Kry SF, Followill DS, Thwaites DI, Izewska JActa oncologica (Stockholm, Sweden)Testing the methodology for a dosimetric end-to-end audit of IMRT/VMAT: results of IAEA multicentre and national studies. Acta Oncol. 2019 Dec; 58(12):1731-1739.Acta Oncol2019-08-19T00:00:002019Testing the methodology for a dosimetric end-to-end audit of IMRT/VMAT: results of IAEA multicentre and national studies.Authorship 9551308Authorship 955329931506963Steinmann A, Alvarez P, Lee H, Court L, Stafford R, Sawakuchi G, Wen Z, Fuller C, Followill DMedical physicsMRIgRT dynamic lung motion thorax anthropomorphic QA phantom: Design, development, reproducibility, and feasibility study. Med Phys. 2019 Nov; 46(11):5124-5133.Med Phys2019-09-11T00:00:002019MRIgRT dynamic lung motion thorax anthropomorphic QA phantom: Design, development, reproducibility, and feasibility study.31494941Lye J, Kry S, Shaw M, Gibbons F, Keehan S, Lehmann J, Kron T, Followill D, Williams IMedical physicsA comparison of IROC and ACDS on-site audits of reference and non-reference dosimetry. Med Phys. 2019 Dec; 46(12):5878-5887.Med Phys2019-10-25T00:00:002019A comparison of IROC and ACDS on-site audits of reference and non-reference dosimetry.Authorship 956251731571229Miften M, Mihailidis D, Kry SF, Reft C, Esquivel C, Farr J, Followill D, Hurkmans C, Liu A, Gayou O, Gossman M, Mahesh M, Popple R, Prisciandaro J, Wilkinson JMedical physicsManagement of radiotherapy patients with implanted cardiac pacemakers and defibrillators: A Report of the AAPM TG-203?. Med Phys. 2019 Dec; 46(12):e757-e788.Med Phys2019-11-01T00:00:002019Management of radiotherapy patients with implanted cardiac pacemakers and defibrillators: A Report of the AAPM TG-203?.Authorship 958136331667870Glenn MC, Peterson CB, Followill DS, Howell RM, Pollard-Larkin JM, Kry SFMedical physicsReference dataset of users' photon beam modeling parameters for the Eclipse, Pinnacle, and RayStation treatment planning systems. Med Phys. 2020 Jan; 47(1):282-288.Med Phys2019-11-15T00:00:002019Reference dataset of users' photon beam modeling parameters for the Eclipse, Pinnacle, and RayStation treatment planning systems.Authorship 961732631773010Branco D, Taylor P, Zhang X, Li H, Guindani M, Followill DInternational journal of particle therapyAn Anthropomorphic Head and Neck Quality Assurance Phantom for Credentialing of Intensity-Modulated Proton Therapy. Int J Part Ther. 2018; 4(3):40-47.Int J Part Ther2018-03-21T00:00:002018An Anthropomorphic Head and Neck Quality Assurance Phantom for Credentialing of Intensity-Modulated Proton Therapy.Authorship 962218931808949Steinmann A, Alvarez P, Lee H, Court L, Stafford R, Sawakuchi G, Wen Z, Fuller CD, Followill DMedical physicsMRIgRT head and neck anthropomorphic QA phantom: Design, development, reproducibility, and feasibility study. Med Phys. 2020 Feb; 47(2):604-613.Med Phys2020-01-07T00:00:002020MRIgRT head and neck anthropomorphic QA phantom: Design, development, reproducibility, and feasibility study.Authorship 9746371231872085Kry SF, Peterson CB, Howell RM, Izewska J, Lye J, Clark CH, Nakamura M, Hurkmans C, Alvarez P, Alves A, Bokulic T, Followill D, Kazantsev P, Lowenstein J, Molineu A, Palmer J, Smith SA, Taylor P, Wesolowska P, Williams IPhysics and imaging in radiation oncologyRemote beam output audits: a global assessment of results out of tolerance. Phys Imaging Radiat Oncol. 2018 Jul; 7:39-44.Phys Imaging Radiat Oncol2018-09-16T00:00:002018Remote beam output audits: a global assessment of results out of tolerance.Authorship 978333532068498Gronberg MP, Tailor RC, Smith SA, Kry SF, Followill DS, Stojadinovic S, Niedzielski JS, Lindsay PE, Krishnan S, Aguirre F, Fujimoto TN, Taniguchi CM, Howell RMRadiation researchA Mail Audit Independent Peer Review System for Dosimetry Verification of a Small Animal Irradiator. Radiat Res. 2020 04; 193(4):341-350.Radiat Res2020-02-18T00:00:002020A Mail Audit Independent Peer Review System for Dosimetry Verification of a Small Animal Irradiator.Authorship 988365332351006Mehrens H, Taylor P, Followill DS, Kry SFJournal of applied clinical medical physicsSurvey results of 3D-CRT and IMRT quality assurance practice. J Appl Clin Med Phys. 2020 Jul; 21(7):70-76.J Appl Clin Med Phys2020-04-30T00:00:002020Survey results of 3D-CRT and IMRT quality assurance practice.Authorship 989525632413413Edward SS, Alvarez PE, Taylor PA, Molineu HA, Peterson CB, Followill DS, Kry SFPractical radiation oncologyDifferences in the Patterns of Failure Between IROC Lung and Spine Phantom Irradiations. Pract Radiat Oncol. 2020 Sep - Oct; 10(5):372-381.Pract Radiat Oncol2020-05-13T00:00:002020Differences in the Patterns of Failure Between IROC Lung and Spine Phantom Irradiations.Authorship 991314832506820Branco D, Kry S, Taylor P, Rong J, Zhang X, Peterson C, Frank S, Followill DJournal of applied clinical medical physicsDevelopment of a stereoscopic CT metal artifact management algorithm using gantry angle tilts for head and neck patients. J Appl Clin Med Phys. 2020 Aug; 21(8):120-130.J Appl Clin Med Phys2020-06-07T00:00:002020Development of a stereoscopic CT metal artifact management algorithm using gantry angle tilts for head and neck patients.Authorship 994581432677052Glenn MC, Peterson CB, Howell RM, Followill DS, Pollard-Larkin JM, Kry SFMedical physicsSensitivity of IROC phantom performance to radiotherapy treatment planning system beam modeling parameters based on community-driven data. Med Phys. 2020 Oct; 47(10):5250-5259.Med Phys2020-08-16T00:00:002020Sensitivity of IROC phantom performance to radiotherapy treatment planning system beam modeling parameters based on community-driven data.Authorship 9967642532776500Hua CH, Vern-Gross TZ, Hess CB, Olch AJ, Alaei P, Sathiaseelan V, Deng J, Ulin K, Laurie F, Gopalakrishnan M, Esiashvili N, Wolden SL, Krasin MJ, Merchant TE, Donaldson SS, FitzGerald TJ, Constine LS, Hodgson DC, Haas-Kogan DA, Mahajan A, Laack NN, Marcus KJ, Taylor PA, Ahern VA, Followill DS, Buchsbaum JC, Breneman JC, Kalapurakal JAPediatric blood & cancerPractice patterns and recommendations for pediatric image-guided radiotherapy: A Children's Oncology Group report. Pediatr Blood Cancer. 2020 10; 67(10):e28629.Pediatr Blood Cancer2020-08-09T00:00:002020Practice patterns and recommendations for pediatric image-guided radiotherapy: A Children's Oncology Group report.Authorship 10030761633075392Shrestha S, Gupta AC, Bates JE, Lee C, Owens CA, Hoppe BS, Constine LS, Smith SA, Qiao Y, Weathers RE, Yasui Y, Court LE, Paulino AC, Pinnix CC, Kry SF, Followill DS, Armstrong GT, Howell RMRadiotherapy and oncology : journal of the European Society for Therapeutic Radiology and OncologyDevelopment and validation of an age-scalable cardiac model with substructures for dosimetry in late-effects studies of childhood cancer survivors. 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Pract Radiat Oncol. 2021 May-Jun; 11(3):e322-e328.Pract Radiat Oncol2020-11-30T00:00:002020Failure Modes in IROC Photon Liver Phantom Irradiations.Authorship 10070391133330102Chetvertkov M, Monroe JI, Boparai J, Solberg TD, Pafundi DH, Ruo RL, Gladstone DJ, Yin FF, Chetty IJ, Benedict S, Followill DS, Xiao Y, Sohn JWFrontiers in oncologyNRG Oncology Survey on Practice and Technology Use in SRT and SBRT Delivery. Front Oncol. 2020; 10:602607.Front Oncol2020-11-27T00:00:002020NRG Oncology Survey on Practice and Technology Use in SRT and SBRT Delivery.Authorship 10094253Authorship 10094461433458264Valve A, Kulmala A, Followill D, Tenhunen MPhysics and imaging in radiation oncologyModification of the 4?MeV electron beam from a linear accelerator for irradiation of small superficial skin tumors. Phys Imaging Radiat Oncol. 2019 Apr; 10:25-28.Phys Imaging Radiat Oncol2019-05-01T00:00:002019Modification of the 4?MeV electron beam from a linear accelerator for irradiation of small superficial skin tumors.33458370Lechner W, Wesolowska P, Azangwe G, Arib M, Alves VGL, Suming L, Ekendahl D, Bulski W, Samper JLA, Vinatha SP, Siri S, Tomsej M, Tenhunen M, Povall J, Kry SF, Followill DS, Thwaites DI, Georg D, Izewska JPhysics and imaging in radiation oncologyA multinational audit of small field output factors calculated by treatment planning systems used in radiotherapy. Phys Imaging Radiat Oncol. 2018 Jan; 5:58-63.Phys Imaging Radiat Oncol2018-03-06T00:00:002018A multinational audit of small field output factors calculated by treatment planning systems used in radiotherapy.Authorship 1011723833597610Lee J, Steinmann A, Ding Y, Lee H, Owens C, Wang J, Yang J, Followill D, Ger R, MacKin D, Court LEScientific reportsRadiomics feature robustness as measured using an MRI phantom. 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Radiother Oncol. 2021 06; 159:106-111.Radiother Oncol2021-03-17T00:00:002021Report dose-to-medium in clinical trials where available; a consensus from the Global Harmonisation Group to maximize consistency.Authorship 10150482Authorship 10151371833818891FitzGerald TJ, Followill D, Laurie F, Boterberg T, Hanusik R, Kessel S, Karolczuk K, Iandoli M, Ulin K, Morano K, Bishop-Jodoin M, Kry S, Lowenstein J, Molineu A, Moni J, Cicchetti MG, Prior F, Saltz J, Sharma A, Mandeville HC, Bernier-Chastagner V, Janssens GPediatric blood & cancerQuality assurance in radiation oncology. Pediatr Blood Cancer. 2021 05; 68 Suppl 2:e28609.Pediatr Blood Cancer2021-05-01T00:00:002021Quality assurance in radiation oncology.33824935Pollard-Larkin JM, Briere TM, Kudchadker RJ, Sadagopan R, Nitsch PL, Wang XA, Salehpour M, Wang J, Vedam S, Nelson CL, Sahoo N, Zhu XR, Court LE, Balter PA, Robinson IJ, Yang J, Howell RM, Followill DS, Kry S, Beddar SA, Martel MKAdvances in radiation oncologyOur Experience Leading a Large Medical Physics Practice During the COVID-19 Pandemic. Adv Radiat Oncol. 2021 Jul-Aug; 6(4):100683.Adv Radiat Oncol2021-04-02T00:00:002021Our Experience Leading a Large Medical Physics Practice During the COVID-19 Pandemic.Authorship 1017036733898789Branco D, Kry S, Taylor P, Rong J, Zhang X, Frank S, Followill DPhysics and imaging in radiation oncologyEvaluation of image quality of a novel computed tomography metal artifact management technique on an anthropomorphic head and neck phantom. 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Int J Radiat Oncol Biol Phys. 2022 03 15; 112(4):1004-1011.Int J Radiat Oncol Biol Phys2021-11-13T00:00:002021The Value of On-Site Proton Audits.Authorship 10350371034874300Gupta AC, Owens CA, Shrestha S, Lee C, Smith SA, Weathers RE, Netherton T, Balter PA, Kry SF, Followill DS, Griffin KT, Long JP, Armstrong GT, Howell RMBiomedical physics & engineering expressBody region-specific 3D age-scaling functions for scaling whole-body computed tomography anatomy for pediatric late effects studies. Biomed Phys Eng Express. 2022 02 01; 8(2).Biomed Phys Eng Express2022-02-01T00:00:002022Body region-specific 3D age-scaling functions for scaling whole-body computed tomography anatomy for pediatric late effects studies.22789491Jhaveri PM, Sun Z, Ballas L, Followill DS, Hoffman KE, Jiang J, Smith BDInternational journal of radiation oncology, biology, physicsEmergence of integrated urology-radiation oncology practices in the State of Texas. Int J Radiat Oncol Biol Phys. 2012 Sep 01; 84(1):15-9.Int J Radiat Oncol Biol Phys2012-07-10T00:00:002012Emergence of integrated urology-radiation oncology practices in the State of Texas.Authorship 1061719636512742Chen Q, Rong Y, Burmeister JW, Chao EH, Corradini NA, Followill DS, Li XA, Liu A, Qi XS, Shi H, Smilowitz JBMedical physicsAAPM Task Group Report 306: Quality control and assurance for tomotherapy: An update to Task Group Report 148. Med Phys. 2023 Mar; 50(3):e25-e52.Med Phys2023-01-23T00:00:002023AAPM Task Group Report 306: Quality control and assurance for tomotherapy: An update to Task Group Report 148.true1ProfessorProfessortrue1ProfessorProfessortrue1ProfessorProfessortrue1Assistant ProfessorAssistant Professortrue1ProfessorProfessortrue1Associate ProfessorAssociate Professortrue1Associate ProfessorAssociate Professortrue1Assistant ProfessorAssistant Professor