Connection

Co-Authors

This is a "connection" page, showing publications co-authored by JOHN VICTOR HEYMACH and LAUREN AVERETT BYERS.
Connection Strength

10.663
  1. Comprehensive molecular profiling of lung adenocarcinoma. Nature. 2014 Jul 31; 511(7511):543-50.
    View in: PubMed
    Score: 0.488
  2. An epithelial-mesenchymal transition gene signature predicts resistance to EGFR and PI3K inhibitors and identifies Axl as a therapeutic target for overcoming EGFR inhibitor resistance. Clin Cancer Res. 2013 Jan 01; 19(1):279-90.
    View in: PubMed
    Score: 0.433
  3. Comprehensive genomic characterization of squamous cell lung cancers. Nature. 2012 Sep 27; 489(7417):519-25.
    View in: PubMed
    Score: 0.430
  4. Proteomic profiling identifies dysregulated pathways in small cell lung cancer and novel therapeutic targets including PARP1. Cancer Discov. 2012 Sep; 2(9):798-811.
    View in: PubMed
    Score: 0.430
  5. Serum signature of hypoxia-regulated factors is associated with progression after induction therapy in head and neck squamous cell cancer. Mol Cancer Ther. 2010 Jun; 9(6):1755-63.
    View in: PubMed
    Score: 0.368
  6. Dual targeting of the vascular endothelial growth factor and epidermal growth factor receptor pathways: rationale and clinical applications for non-small-cell lung cancer. Clin Lung Cancer. 2007 Feb; 8 Suppl 2:S79-85.
    View in: PubMed
    Score: 0.291
  7. CTLA4 blockade abrogates KEAP1/STK11-related resistance to PD-(L)1 inhibitors. Nature. 2024 Oct 09.
    View in: PubMed
    Score: 0.248
  8. DNA damage response signatures are associated with frontline chemotherapy response and routes of tumor evolution in extensive stage small cell lung cancer. bioRxiv. 2024 Jul 30.
    View in: PubMed
    Score: 0.245
  9. Tumor- and circulating-free DNA methylation identifies clinically relevant small cell lung cancer subtypes. Cancer Cell. 2024 02 12; 42(2):225-237.e5.
    View in: PubMed
    Score: 0.236
  10. Distinct patterns of auto-reactive antibodies associated with organ-specific immune-related adverse events. Front Immunol. 2023; 14:1322818.
    View in: PubMed
    Score: 0.234
  11. Poziotinib for EGFR exon 20-mutant NSCLC: Clinical efficacy, resistance mechanisms, and impact of insertion location on drug sensitivity. Cancer Cell. 2022 07 11; 40(7):754-767.e6.
    View in: PubMed
    Score: 0.212
  12. Lung Cancer Models Reveal Severe Acute Respiratory Syndrome Coronavirus 2-Induced Epithelial-to-Mesenchymal Transition Contributes to Coronavirus Disease 2019 Pathophysiology. J Thorac Oncol. 2021 11; 16(11):1821-1839.
    View in: PubMed
    Score: 0.198
  13. Lung cancer models reveal SARS-CoV-2-induced EMT contributes to COVID-19 pathophysiology. bioRxiv. 2021 Jan 28.
    View in: PubMed
    Score: 0.192
  14. Patterns of transcription factor programs and immune pathway activation define four major subtypes of SCLC with distinct therapeutic vulnerabilities. Cancer Cell. 2021 03 08; 39(3):346-360.e7.
    View in: PubMed
    Score: 0.192
  15. Characterization of the Immune Landscape of EGFR-Mutant NSCLC Identifies CD73/Adenosine Pathway as a Potential Therapeutic Target. J Thorac Oncol. 2021 04; 16(4):583-600.
    View in: PubMed
    Score: 0.191
  16. AXL Inhibition Induces DNA Damage and Replication Stress in Non-Small Cell Lung Cancer Cells and Promotes Sensitivity to ATR Inhibitors. Mol Cancer Res. 2021 03; 19(3):485-497.
    View in: PubMed
    Score: 0.189
  17. Single-cell analyses reveal increased intratumoral heterogeneity after the onset of therapy resistance in small-cell lung cancer. Nat Cancer. 2020 04; 1:423-436.
    View in: PubMed
    Score: 0.180
  18. STING Pathway Expression Identifies NSCLC With an Immune-Responsive Phenotype. J Thorac Oncol. 2020 05; 15(5):777-791.
    View in: PubMed
    Score: 0.180
  19. High OX-40 expression in the tumor immune infiltrate is a favorable prognostic factor of overall survival in non-small cell lung cancer. J Immunother Cancer. 2019 12 16; 7(1):351.
    View in: PubMed
    Score: 0.178
  20. Combination Treatment of the Oral CHK1 Inhibitor, SRA737, and Low-Dose Gemcitabine Enhances the Effect of Programmed Death Ligand 1 Blockade by Modulating the Immune Microenvironment in SCLC. J Thorac Oncol. 2019 12; 14(12):2152-2163.
    View in: PubMed
    Score: 0.174
  21. Targeting DNA Damage Response Promotes Antitumor Immunity through STING-Mediated T-cell Activation in Small Cell Lung Cancer. Cancer Discov. 2019 05; 9(5):646-661.
    View in: PubMed
    Score: 0.168
  22. Differential Sensitivity Analysis for Resistant Malignancies (DISARM) Identifies Common Candidate Therapies across Platinum-Resistant Cancers. Clin Cancer Res. 2019 01 01; 25(1):346-357.
    View in: PubMed
    Score: 0.163
  23. Randomized, Double-Blind, Phase II Study of Temozolomide in Combination With Either Veliparib or Placebo in Patients With Relapsed-Sensitive or Refractory Small-Cell Lung Cancer. J Clin Oncol. 2018 08 10; 36(23):2386-2394.
    View in: PubMed
    Score: 0.160
  24. Integrative proteomic and transcriptomic analysis provides evidence for TrkB (NTRK2) as a therapeutic target in combination with tyrosine kinase inhibitors for non-small cell lung cancer. Oncotarget. 2018 Mar 06; 9(18):14268-14284.
    View in: PubMed
    Score: 0.156
  25. Germline and Somatic Smoothened Mutations in Non-Small-Cell Lung Cancer Are Potentially Responsive to Hedgehog Inhibitor Vismodegib. JCO Precis Oncol. 2017 Nov; 1:1-10.
    View in: PubMed
    Score: 0.153
  26. Protein expression of TTF1 and cMYC define distinct molecular subgroups of small cell lung cancer with unique vulnerabilities to aurora kinase inhibition, DLL3 targeting, and other targeted therapies. Oncotarget. 2017 Sep 26; 8(43):73419-73432.
    View in: PubMed
    Score: 0.152
  27. Targeting AXL and mTOR Pathway Overcomes Primary and Acquired Resistance to WEE1 Inhibition in Small-Cell Lung Cancer. Clin Cancer Res. 2017 Oct 15; 23(20):6239-6253.
    View in: PubMed
    Score: 0.150
  28. CHK1 Inhibition in Small-Cell Lung Cancer Produces Single-Agent Activity in Biomarker-Defined Disease Subsets and Combination Activity with Cisplatin or Olaparib. Cancer Res. 2017 07 15; 77(14):3870-3884.
    View in: PubMed
    Score: 0.148
  29. Integrative Analysis Identifies a Novel AXL-PI3 Kinase-PD-L1 Signaling Axis Associated with Radiation Resistance in Head and Neck Cancer. Clin Cancer Res. 2017 Jun 01; 23(11):2713-2722.
    View in: PubMed
    Score: 0.148
  30. Dynamic variations in epithelial-to-mesenchymal transition (EMT), ATM, and SLFN11 govern response to PARP inhibitors and cisplatin in small cell lung cancer. Oncotarget. 2017 Apr 25; 8(17):28575-28587.
    View in: PubMed
    Score: 0.148
  31. Activation of the PI3K/mTOR Pathway following PARP Inhibition in Small Cell Lung Cancer. PLoS One. 2016; 11(4):e0152584.
    View in: PubMed
    Score: 0.138
  32. Proteomic Profiling Identifies PTK2/FAK as a Driver of Radioresistance in HPV-negative Head and Neck Cancer. Clin Cancer Res. 2016 Sep 15; 22(18):4643-50.
    View in: PubMed
    Score: 0.138
  33. A Patient-Derived, Pan-Cancer EMT Signature Identifies Global Molecular Alterations and Immune Target Enrichment Following Epithelial-to-Mesenchymal Transition. Clin Cancer Res. 2016 Feb 01; 22(3):609-20.
    View in: PubMed
    Score: 0.133
  34. Co-occurring genomic alterations define major subsets of KRAS-mutant lung adenocarcinoma with distinct biology, immune profiles, and therapeutic vulnerabilities. Cancer Discov. 2015 Aug; 5(8):860-77.
    View in: PubMed
    Score: 0.130
  35. An Integrated Molecular Analysis of Lung Adenocarcinomas Identifies Potential Therapeutic Targets among TTF1-Negative Tumors, Including DNA Repair Proteins and Nrf2. Clin Cancer Res. 2015 Aug 01; 21(15):3480-91.
    View in: PubMed
    Score: 0.129
  36. Genes suppressed by DNA methylation in non-small cell lung cancer reveal the epigenetics of epithelial-mesenchymal transition. BMC Genomics. 2014 Dec 08; 15:1079.
    View in: PubMed
    Score: 0.126
  37. Adapting Nanopore Sequencing Basecalling Models for Modification Detection via Incremental Learning and Anomaly Detection. bioRxiv. 2023 Dec 20.
    View in: PubMed
    Score: 0.117
  38. Proteomic markers of DNA repair and PI3K pathway activation predict response to the PARP inhibitor BMN 673 in small cell lung cancer. Clin Cancer Res. 2013 Nov 15; 19(22):6322-8.
    View in: PubMed
    Score: 0.116
  39. Proteomic profiling identifies pathways dysregulated in non-small cell lung cancer and an inverse association of AMPK and adhesion pathways with recurrence. J Thorac Oncol. 2010 Dec; 5(12):1894-904.
    View in: PubMed
    Score: 0.095
  40. Reciprocal regulation of c-Src and STAT3 in non-small cell lung cancer. Clin Cancer Res. 2009 Nov 15; 15(22):6852-61.
    View in: PubMed
    Score: 0.088
  41. Impact of select actionable genomic alterations on efficacy of neoadjuvant immunotherapy in resectable non-small cell lung cancer. J Immunother Cancer. 2024 Oct 23; 12(10).
    View in: PubMed
    Score: 0.062
  42. YAP1 Status Defines Two Intrinsic Subtypes of LCNEC with Distinct Molecular Features and Therapeutic Vulnerabilities. Clin Cancer Res. 2024 Oct 15; 30(20):4743-4754.
    View in: PubMed
    Score: 0.062
  43. Molecular classification and biomarkers of outcome with immunotherapy in extensive-stage small-cell lung cancer: analyses of the CASPIAN phase 3 study. Mol Cancer. 2024 May 30; 23(1):115.
    View in: PubMed
    Score: 0.061
  44. CoCo-ST: Comparing and Contrasting Spatial Transcriptomics data sets using graph contrastive learning. Res Sq. 2024 May 20.
    View in: PubMed
    Score: 0.060
  45. Joint multi-omics discriminant analysis with consistent representation learning using PANDA. Res Sq. 2024 May 17.
    View in: PubMed
    Score: 0.060
  46. Comprehensive analysis of transcription factor-based molecular subtypes and their correlation to clinical outcomes in small-cell lung cancer. EBioMedicine. 2024 Apr; 102:105062.
    View in: PubMed
    Score: 0.060
  47. Immune heterogeneity in small-cell lung cancer and vulnerability to immune checkpoint blockade. Cancer Cell. 2024 Mar 11; 42(3):429-443.e4.
    View in: PubMed
    Score: 0.059
  48. Brief Report: Comprehensive Clinicogenomic Profiling of Small Cell Transformation From EGFR-Mutant NSCLC Informs Potential Therapeutic?Targets. JTO Clin Res Rep. 2024 Feb; 5(2):100623.
    View in: PubMed
    Score: 0.059
  49. Real-World Efficacy and Safety of Amivantamab for EGFR-Mutant NSCLC. J Thorac Oncol. 2024 03; 19(3):500-506.
    View in: PubMed
    Score: 0.058
  50. Clinical and molecular characterization of long-term survivors with extensive-stage small cell lung cancer treated with first-line atezolizumab plus carboplatin and etoposide. Lung Cancer. 2023 12; 186:107418.
    View in: PubMed
    Score: 0.058
  51. Unfolding the secrets of small cell lung cancer progression: Novel approaches and insights through rapid autopsies. Cancer Cell. 2023 09 11; 41(9):1535-1540.
    View in: PubMed
    Score: 0.058
  52. Neoadjuvant chemotherapy plus nivolumab with or without ipilimumab in operable non-small cell lung cancer: the phase 2 platform NEOSTAR trial. Nat Med. 2023 03; 29(3):593-604.
    View in: PubMed
    Score: 0.056
  53. BRAF v600E-mutant cancers treated with vemurafenib alone or in combination with everolimus, sorafenib, or crizotinib or with paclitaxel and carboplatin (VEM-PLUS) study. NPJ Precis Oncol. 2023 Feb 18; 7(1):19.
    View in: PubMed
    Score: 0.055
  54. Final efficacy outcomes of atezolizumab with chemoradiation for unresectable NSCLC: The phase II DETERRED trial. Lung Cancer. 2022 Dec; 174:112-117.
    View in: PubMed
    Score: 0.054
  55. Shared Nearest Neighbors Approach and Interactive Browser for Network Analysis of a Comprehensive Non-Small-Cell Lung Cancer Data Set. JCO Clin Cancer Inform. 2022 07; 6:e2200040.
    View in: PubMed
    Score: 0.053
  56. Immunogenomic intertumor heterogeneity across primary and metastatic sites in a patient with lung adenocarcinoma. J Exp Clin Cancer Res. 2022 May 11; 41(1):172.
    View in: PubMed
    Score: 0.052
  57. Cold and heterogeneous T cell repertoire is associated with copy number aberrations and loss of immune genes in small-cell lung cancer. Nat Commun. 2021 11 17; 12(1):6655.
    View in: PubMed
    Score: 0.051
  58. Distinct tumor-infiltrating lymphocyte landscapes are associated with clinical outcomes in localized non-small-cell lung cancer. Ann Oncol. 2022 01; 33(1):42-56.
    View in: PubMed
    Score: 0.050
  59. Resolving the Spatial and Cellular Architecture of Lung Adenocarcinoma by Multiregion Single-Cell Sequencing. Cancer Discov. 2021 10; 11(10):2506-2523.
    View in: PubMed
    Score: 0.049
  60. Single-Cell Expression Landscape of SARS-CoV-2 Receptor ACE2 and Host Proteases in Normal and Malignant Lung Tissues from Pulmonary Adenocarcinoma Patients. Cancers (Basel). 2021 Mar 12; 13(6).
    View in: PubMed
    Score: 0.048
  61. Neoadjuvant nivolumab or nivolumab plus ipilimumab in operable non-small cell lung cancer: the phase 2 randomized NEOSTAR trial. Nat Med. 2021 03; 27(3):504-514.
    View in: PubMed
    Score: 0.048
  62. Phase 1/2 Trial of Pembrolizumab and Concurrent Chemoradiation Therapy for Limited-Stage SCLC. J Thorac Oncol. 2020 12; 15(12):1919-1927.
    View in: PubMed
    Score: 0.047
  63. Programmed Death-Ligand 1 Heterogeneity and Its Impact on Benefit From Immune Checkpoint Inhibitors in NSCLC. J Thorac Oncol. 2020 09; 15(9):1449-1459.
    View in: PubMed
    Score: 0.046
  64. Phase II Trial of Concurrent Atezolizumab With Chemoradiation for Unresectable NSCLC. J Thorac Oncol. 2020 02; 15(2):248-257.
    View in: PubMed
    Score: 0.044
  65. Phase I Trial of Pembrolizumab and Radiation Therapy after Induction Chemotherapy for Extensive-Stage Small Cell Lung Cancer. J Thorac Oncol. 2020 02; 15(2):266-273.
    View in: PubMed
    Score: 0.044
  66. Metabolic Diversity in Human Non-Small Cell Lung Cancer Cells. Mol Cell. 2019 12 05; 76(5):838-851.e5.
    View in: PubMed
    Score: 0.044
  67. Author Correction: Molecular subtypes of small cell lung cancer: a synthesis of human and mouse model data. Nat Rev Cancer. 2019 07; 19(7):415.
    View in: PubMed
    Score: 0.043
  68. Molecular subtypes of small cell lung cancer: a synthesis of human and mouse model data. Nat Rev Cancer. 2019 05; 19(5):289-297.
    View in: PubMed
    Score: 0.043
  69. Author Correction: CPS1 maintains pyrimidine pools and DNA synthesis in KRAS/LKB1-mutant lung cancer cells. Nature. 2019 May; 569(7756):E4.
    View in: PubMed
    Score: 0.043
  70. Author Correction: Circulating tumor DNA analysis depicts subclonal architecture and genomic evolution of small cell lung cancer. Nat Commun. 2019 01 29; 10(1):552.
    View in: PubMed
    Score: 0.042
  71. Circulating tumor DNA analysis depicts subclonal architecture and genomic evolution of small cell lung cancer. Nat Commun. 2018 08 06; 9(1):3114.
    View in: PubMed
    Score: 0.040
  72. CD38-Mediated Immunosuppression as a Mechanism of Tumor Cell Escape from PD-1/PD-L1 Blockade. Cancer Discov. 2018 09; 8(9):1156-1175.
    View in: PubMed
    Score: 0.040
  73. eIF2?, a subunit of translation-initiation factor EIF2, is a potential therapeutic target for non-small cell lung cancer. Cancer Sci. 2018 Jun; 109(6):1843-1852.
    View in: PubMed
    Score: 0.040
  74. CDKN2A/p16 Deletion in Head and Neck Cancer Cells Is Associated with CDK2 Activation, Replication Stress, and Vulnerability to CHK1 Inhibition. Cancer Res. 2018 02 01; 78(3):781-797.
    View in: PubMed
    Score: 0.039
  75. CPS1 maintains pyrimidine pools and DNA synthesis in KRAS/LKB1-mutant lung cancer cells. Nature. 2017 06 01; 546(7656):168-172.
    View in: PubMed
    Score: 0.037
  76. Identification of proteasomal catalytic subunit PSMA6 as a therapeutic target for lung cancer. Cancer Sci. 2017 Apr; 108(4):732-743.
    View in: PubMed
    Score: 0.037
  77. Phase I, Dose-Escalation, Two-Part Trial of the PARP Inhibitor Talazoparib in Patients with Advanced Germline BRCA1/2 Mutations and Selected Sporadic Cancers. Cancer Discov. 2017 06; 7(6):620-629.
    View in: PubMed
    Score: 0.037
  78. Characterization of Human Cancer Cell Lines by Reverse-phase Protein Arrays. Cancer Cell. 2017 02 13; 31(2):225-239.
    View in: PubMed
    Score: 0.037
  79. The BATTLE-2 Study: A Biomarker-Integrated Targeted Therapy Study in Previously Treated Patients With Advanced Non-Small-Cell Lung Cancer. J Clin Oncol. 2016 Oct 20; 34(30):3638-3647.
    View in: PubMed
    Score: 0.036
  80. AXL Inhibition Suppresses the DNA Damage Response and Sensitizes Cells to PARP Inhibition in Multiple Cancers. Mol Cancer Res. 2017 01; 15(1):45-58.
    View in: PubMed
    Score: 0.036
  81. Selecting Reliable mRNA Expression Measurements Across Platforms Improves Downstream Analysis. Cancer Inform. 2016; 15:81-9.
    View in: PubMed
    Score: 0.035
  82. Axl Receptor Axis: A New Therapeutic Target in Lung?Cancer. J Thorac Oncol. 2016 08; 11(8):1357-1362.
    View in: PubMed
    Score: 0.035
  83. Epithelial-Mesenchymal Transition Is Associated with a Distinct Tumor Microenvironment Including Elevation of Inflammatory Signals and Multiple Immune Checkpoints in Lung Adenocarcinoma. Clin Cancer Res. 2016 07 15; 22(14):3630-42.
    View in: PubMed
    Score: 0.034
  84. Small Cell Lung Cancer: Can Recent Advances in Biology and Molecular Biology Be Translated into Improved Outcomes? J Thorac Oncol. 2016 Apr; 11(4):453-74.
    View in: PubMed
    Score: 0.034
  85. Dasatinib induces DNA damage and activates DNA repair pathways leading to senescence in non-small cell lung cancer cell lines with kinase-inactivating BRAF mutations. Oncotarget. 2016 Jan 05; 7(1):565-79.
    View in: PubMed
    Score: 0.034
  86. Epithelial-Mesenchymal Transition Predicts Polo-Like Kinase 1 Inhibitor-Mediated Apoptosis in Non-Small Cell Lung Cancer. Clin Cancer Res. 2016 Apr 01; 22(7):1674-1686.
    View in: PubMed
    Score: 0.034
  87. Corrigendum: A pan-cancer proteomic perspective on The Cancer Genome Atlas. Nat Commun. 2015 Jan 28; 6:4852.
    View in: PubMed
    Score: 0.032
  88. drexplorer: A tool to explore dose-response relationships and drug-drug interactions. Bioinformatics. 2015 May 15; 31(10):1692-4.
    View in: PubMed
    Score: 0.032
  89. Metastasis is regulated via microRNA-200/ZEB1 axis control of tumour cell PD-L1 expression and intratumoral immunosuppression. Nat Commun. 2014 Oct 28; 5:5241.
    View in: PubMed
    Score: 0.031
  90. A comprehensive evaluation of biomarkers predictive of response to PI3K inhibitors and of resistance mechanisms in head and neck squamous cell carcinoma. Mol Cancer Ther. 2014 Nov; 13(11):2738-50.
    View in: PubMed
    Score: 0.031
  91. A pan-cancer proteomic perspective on The Cancer Genome Atlas. Nat Commun. 2014 May 29; 5:3887.
    View in: PubMed
    Score: 0.030
  92. Identification and characterization of a suite of tumor targeting peptides for non-small cell lung cancer. Sci Rep. 2014 Mar 27; 4:4480.
    View in: PubMed
    Score: 0.030
  93. HRAS mutations and resistance to the epidermal growth factor receptor tyrosine kinase inhibitor erlotinib in head and neck squamous cell carcinoma cells. Head Neck. 2014 Nov; 36(11):1547-54.
    View in: PubMed
    Score: 0.030
  94. Metabolic and functional genomic studies identify deoxythymidylate kinase as a target in LKB1-mutant lung cancer. Cancer Discov. 2013 Aug; 3(8):870-9.
    View in: PubMed
    Score: 0.028
  95. Functional characterization of CLPTM1L as a lung cancer risk candidate gene in the 5p15.33 locus. PLoS One. 2012; 7(6):e36116.
    View in: PubMed
    Score: 0.026
  96. The SUMO E3-ligase PIAS1 regulates the tumor suppressor PML and its oncogenic counterpart PML-RARA. Cancer Res. 2012 May 01; 72(9):2275-84.
    View in: PubMed
    Score: 0.026
  97. Aberrant expression of proteins involved in signal transduction and DNA repair pathways in lung cancer and their association with clinical parameters. PLoS One. 2012; 7(2):e31087.
    View in: PubMed
    Score: 0.026
  98. Effect of KRAS oncogene substitutions on protein behavior: implications for signaling and clinical outcome. J Natl Cancer Inst. 2012 Feb 08; 104(3):228-39.
    View in: PubMed
    Score: 0.026
  99. Increased VEGFR-2 gene copy is associated with chemoresistance and shorter survival in patients with non-small-cell lung carcinoma who receive adjuvant chemotherapy. Cancer Res. 2011 Aug 15; 71(16):5512-21.
    View in: PubMed
    Score: 0.025
  100. DNA repair biomarker profiling of head and neck cancer: Ku80 expression predicts locoregional failure and death following radiotherapy. Clin Cancer Res. 2011 Apr 01; 17(7):2035-43.
    View in: PubMed
    Score: 0.024
  101. Blasted cell line names. Cancer Inform. 2010 Oct 14; 9:251-5.
    View in: PubMed
    Score: 0.024
  102. Steroid receptor coactivator-3 expression in lung cancer and its role in the regulation of cancer cell survival and proliferation. Cancer Res. 2010 Aug 15; 70(16):6477-85.
    View in: PubMed
    Score: 0.023
  103. Combined vascular endothelial growth factor receptor and epidermal growth factor receptor (EGFR) blockade inhibits tumor growth in xenograft models of EGFR inhibitor resistance. Clin Cancer Res. 2009 May 15; 15(10):3484-94.
    View in: PubMed
    Score: 0.021
Connection Strength

The connection strength for concepts is the sum of the scores for each matching publication.

Publication scores are based on many factors, including how long ago they were written and whether the person is a first or senior author.