A communication-efficient federated learning algorithm to assess racial disparities in post-transplantation survival time. - Yudong Wang; Dazheng Zhang; Jiayi Tong; Xing He 003; Liang Li 026; Lichao Sun 001; Ashutosh M. Shukla; Jiang Bian 001; David A. Asch; Yong Chen 016 (J. Am. Medical Informatics Assoc., 2025)