An asterisk (*) denotes equal contribution
Zhang, D.*, Zhang, B.*, Wu, Q., Zhou, T., Tong, J., Lu, Y., Chen, J., Wang, H., Chisolm, D., Jhaveri, R., Kenney, R., Rothman, R., Rao, S., Williams, D., Hornig, M., Morris, J.S., Forrest, C.B., and Chen, Y. (2025) Racial/ethnic differences in post-acute sequelae of SARS-CoV-2 in children and adolescents in the United States. Nature Communications. [paper]
Zhang, D.*, Zhang, B.*, Wang, H.*, Lu, Y., Wolock, C., Hu, W., Wang, L., Hripcsak, G., and Chen, Y. (2025) Negative Control-calibrated Difference-in-difference Analyses: Addressing Unmeasured Confounding in RWD with Application to Racial/Ethnic Differences. Nature partner journals (npj) Digital Medicine. [paper]
Wu, Q.*, Tong, J.*, Zhang, B., Zhang, D., Chen, J., Lei, Y., Lu, Y., Wang, Y., Li, L., Shen, Y., Xu, J., Bian, J., Christakis, D., Fitzgerald, M., Hirabayashi, K., Jhaveri, R., Khaitan, A., Lyu, T., Rao, S., Razzaghi, H., Schwenk, H., Wang, F., Witvliet, M., Tchetgen Tchetgen, E., Morris, J.S., Forrest, C.B., and Chen, Y. (2024) Real-world effectiveness of BNT162b2 against infection and severe diseases in children and adolescents. Annals of Internal Medicine. [paper]
Zhang, B., Wu, Q., Jhaveri, R., Zhou, T., Becich, M.J., Bisyuk, Y., Blancero, F., Chrischilles, E.A., Chuang, C.H., Cowell, L.G., Fort, D., Horowitz, C.R., Kim, S., Ladino, N., Liebovitz, D.M., Liu, M., Mosa, A.S.M., Schwenk, H.T., Suresh, S., Taylor, B.W., Williams, D.A., Morris, J.S., Forrest, C.B., and Chen, Y. (2025) Long COVID associated with SARS-CoV-2 reinfection among children and adolescents in the omicron era (RECOVER-EHR): a retrospective cohort study. The Lancet Infectious Diseases. [paper; commented by the journal; featured by Time Magazine and The New York Times]
Zhang, B., Thacker, D., Zhou, T., Zhang, D., Lei, Y., Chen J., Chrischilles, E., Christakis, D., Femandez, S., Garg, V., Kim, S., Mosa, A., Sills, M., Taylor, B., Williams, D., Wu, Q., Forrest, C.B., and Chen, Y. (2025) Cardiovascular post-acute sequelae of SARS-CoV-2 in children and adolescents: cohort study using electronic health records. Nature Communications. [paper]
 Zhang, B., Li, L., Lu, Y., Salmon, J., Stetson, R., Horst, M., Bi, X., Sridhara, S., Schnall, M., Cook, T., Papanicolas, I., Mehta, S., Mahoney, K., Asch, D., and Chen, Y. (2026) Telemedicine and 30-day Episode Charges and Subsequent Visits at an Academic Health System, 2024 - Findings from Target Trial Emulations. JAMA Network Open. (in press)
Zhang, B., Li, L., Lu, Y., Guo, J., Bian, J., Salmon, J., Stetson, R., Horst, M., Sridhara, S., Schnall, M., Mahoney, K., Asch, D., and Chen, Y. (2026) Temporal Trends and Sociodemographic Differences in Telemedicine Utilization, 2019-2024. Journal of General Internal Medicine. (in press)
Zhang, B., Wu, Q., Jhaveri, R., Forrest, C.B., and Chen, Y. (2026) Methodological considerations in the attribution of long COVID to first or second infection: Author's reply. The Lancet Infectious Diseases. [paper]
Zhang, B.*, Shen, Y.*, Zhou, T.*, Jhaveri, R.*, Tong, J.*, Chen, J., Zhang, D., Wu, Q., Zang, C., Wang, F., Kaushal, R., Newland, J. G., Taylor, E., Herring, S. J., Bisyuk, Y., Liebovitz, D., Kim, S., Fort, D., Williams, D. A., Horne, B. D., Cummins, M. R., Liu, M., Chrischilles, E. A., Cowell, L. G., Mosa, A. S. M., Patel, P., Forrest, C. B., and Chen, Y. (2026) Assessment of Nirmatrelvir-Ritonavir Effects on Acute and Post-acute COVID-19 Illness in US Adolescents: A Target Trial Emulation Study. The Lancet Infectious Diseases. (under revision) [medRxiv]
Zhou, T.*, Zhang, B.*, Lu, Y.*, Chen, J., Zang, C., Li, H., Elia, J., Prasad, R., Arnold, J., Avedissian, S. N., Bailey, C. L., Becich, M. J., Bensken, W. P., Bisyuk, Y., Bunnell, T. H., Castro, L., Chrischilles, E. A., Christakis, D. A., Cowell, L. G., Cummings, M. R., Fernandez, S., Fort, D., Gonzalez, S., Herring, S., Hornig, M., Hwang, W., Jain, N., Jones, S. W., Kaelber, D. C., Kelleher, K., Kenney, R., Leikauf, J. E., Letts, R., Liu, M., Martinez, A. T., May, H. T., Mosa, A. S. M., Pajor, N. M., Rao, S., Salisbury, A. L., Suresh, S., Swaminathan, A. C., Taylor, B. W., Thomas, N. A., Williams, D. A., Witvliet, M. G., Kaushal, R., Wang, F., Forrest, C. B., and Chen, Y. (2026) Association between SSRI/SNRI Use and New-onset Long COVID Conditions After SARS-CoV-2 Infection in Children and Adolescents with Neuropsychiatric Conditions: An EHR and Pediatric Cohort Study from the RECOVER Initiative. Nature Mental Health. (revision submitted)
Wu, Q., Zhang, B., Tong, J., Bailey, C., Bunnell, T., Chen, J., Chrischilles, E., Christakis, D., Downs, S., Hirabayashi, K., Jhaveri, R., Mishkin, A., Mosa, A., Pajor, N., Rao, S., Razzaghi, H., Schwenk, H., Sills, M., Wang, H., Wang, L., Wang, Y., Zhang, D., Zhou, T., Tchetgen Tchetgen, E., Morris, J.S., Forrest, C.B., and Chen, Y. (2025) Real-world Effectiveness and Causal Mediation Study of BNT162b2 on Long COVID Risks in Children and Adolescents. eClinical Medicine. [paper]
Zhou, T., Zhang, B., Zhang, D., Wu, Q., Becich, M., Blecker, S., Chen, J., Chilukuri, N., Chrischilles, E., Chu, H., Corsino, L., Geary, C., Hornig, M., Kim, S., Liebovitz, D., Lorman, V., Lu, Y., Luo, C., Morizono, H., Mosa, A., Pajor, N., Rao, S., Razzaghi, H., Suresh, S., Tedla, Y., Utset, L., Wang, Y., Williams, D., Witvliet, M., Mangarelli, C., Jhaveri, R., Forrest, C.B., and Chen, Y. (2024) Body Mass Index and Postacute Sequelae of SARS-CoV-2 Infection in Children and Young Adults. JAMA Network Open. [paper]
Tang, H., Zhang, B., Lu, YW., Zhang, D., Lu, Y., Asch, D.A., and Chen, Y. (2025) Incretin Receptor Agonists and CPAP Use in Adults with Diabetes, Obesity, and Obstructive Sleep Apnea. JAMA Network Open. [paper]
Tang, H., Zhou, T., Zhang, B., Lu, Y., Kimmel, S.E., Lu, Y., Asch, D.A., and Chen, Y. (2025) GLP-1 receptor agonists versus SGLT2 inhibitors in Heart Failure with Mildly Reduced or Preserved Ejection Fraction. Canadian Journal of Cardiology. [paper]
Tang, H., Lu, Y., Zhang, B., Zhou, T., Zhang, D., Chen, J., Asch, D., and Chen, Y. (2025) Cardiovascular and Kidney Outcomes of GLP-1 Receptor Agonists in Adults with Obesity: A Target Trial Emulation Study. Diabetes, Obesity and Metabolism. [paper]
Zhou, T., Tang, H., Zhang, B., Zhang, D., Lu, Y., Li L., Chen, J., Asch, D., and Chen, Y. (2025) Association Between GLP-1 Receptor Agonist Use and Risk of Dementia in Older Adults with Type 2 Diabetes: A Target Trial Emulation Study. Diabetes, Obesity and Metabolism. [paper]
Tang, H., Lu, YW., Zhang, B., Zhang, D., Zhou, T., Chen, J., Lu, Y., Lyu, T., Zheng, K., and Chen, Y. (2025) Association of GLP-1 Receptor Agonist Use With Psychiatric Outcomes in Adults With Type 2 Diabetes: A Target Trial Emulation. Diabetes Research and Clinical Practice. [paper]
Salvatore, M. M., Zhang, B., Tang, H., Lu, Y., Zhang, D., Zhou, T., Lu, Y., Amaro, A., Ritchie, M. D., and Chen, Y. (2026) Real-world comparative outcomes of GLP-1 RA and semaglutide prescription among individuals with type 2 diabetes. Nature Communications. (under revision) [medRxiv]
Lei, Y., Chen, J., Wu, Q., Zhou, T., Zhang, B., Becich, M. J., Bisyuk, Y., Blecker, S., Chrischilles, E. A., Christakis, D. A., Cowell, L. G., Cummins, M. R., Fernandez, S. A., Fort, D., Gonzalez, S., Herring, S. J., Horne, B. D., Horowitz, C., Liu, M., Kim, S., Mirhaji, P., Mosa, A. S. M., Muszynski, J. A., Paules, C. I., Sato, A., Schwenk, H. T., Sengupta, S., Suresh, S., Taylor, B. W., Williams, D. A., He, Y., Morris, J. S., Jhaveri, R., Forrest, C. B., and Chen, Y. (2026) Vaccine Effectiveness Among 5- to 17-year-old Individuals with Prior SARS-CoV-2 Infection: An EHR-Based Target Trial Emulation Study from the RECOVER Project. Nature Communications. (in press) [medRxiv]
Lei, Y., Zhou, T., Zhang, B., Zhang, D., Tang, H., Chen, J., Wu, Q., Li, L., Jhaveri, R., Mangarelli, C., Forrest, C., and Chen, Y. (2026) Risk of Dyslipidemia and Abnormal BMI in Post-Acute COVID-19 Among Children and Adolescents: An EHR Cohort Study from the RECOVER Initiative. Journal of Pediatrics. [paper]
Zhang, B., Wu, Q., Reps, J. M., Li, L., Tong, J., Lu, Y., Zhang, D., Ramirez-Anguita, J. M., Bian, J., Brand, M. T., Falconer, T., Mayer, M. A., Williams, R. D., and Chen, Y. (2025) A Lossless One-shot Distributed Algorithm for Addressing Heterogeneity in Multi-Site Generalized Linear Models. Journal of the American Medical Informatics Association (JAMIA). [paper]
Zhang, B., Liu, Z., Tong, J., Xu, J., Lin, L., Cappelleri, J., Chu, H., and Chen, Y. (2026) A Cautionary Note on Large Randomized Controlled Trials vs Meta-analysis of Small Randomized Controlled Trials with Binary Outcomes: Real Difference or Non-collapsibility? BMC Medical Research Methodology. (revision submitted)
Tang, H.*, Zhang, B.*, Lu, Y., Donahoo, W., Ospina, N., Kotecha, P., Lu, Y., Tong, J., Smith, S., Rosenberg, E., Kimmel, S., Bian, J., Guo, J., and Chen, Y. (2024) Assessing the Benefit-Risk Profile of Newer Glucose-Lowering Drugs: Systematic Review and Network Meta-Analysis of Randomized Outcome Trials. Diabetes, Obesity and Metabolism. [paper]
Lake, E.T., Zhang, B., Tong, J., Mpundu, G., Gross, K.N., Correa, M.H., Wethman, L.B., Villani, D., and Chen, Y. (2024) International Benchmarks for the Practice Environment Scale of the Nursing Work Index: A Meta-Analysis. Nursing and Health Sciences. [paper]
Liu, Y., Zhang, B., Chu, H., and Chen, Y. (2024) Network meta-analysis made simple: a composite likelihood approach. Research Synthesis Methods. [paper]
Lu, Y., Zhang, B., Tong, J., and Chen, Y. (2025) Meta-Analysis and Federated Learning over Decentralized Distributed Research Networks. Annual Review of Biomedical Data Science. [paper]
Zhang, D., Zhang, B., Lu L., Chu, H., Chen, Y. (2026) A Causal Meta-Analysis Framework for Clinical Trials with Unequal Randomization Ratios. Research Synthesis Methods. (in press)
Wu, Q., Reps, J., Li, L., Zhang, B., Lu, Y., Tong, J., Zhang, D., Lumley, T., Brand, M., Falconer, T., He, X., Huang Y., Li, H., Yan, C., Tang, G., Wang, F., Bian, J., Malin, B., Hripcsak, G., Schuemie, M., Zhou, J., and Chen, Y. (2025) COLA-GLM: Collaborative One-shot and Lossless Algorithms of Generalized Linear Models for Decentralized Observational Healthcare Data. Nature partner journals (npj) Digital Medicine. [paper]