1. From the Division of Urological Surgery, Brigham and Women’s Hospital, and the Cancer Innovation and Regulation Initiative, Lank Center for Genitourinary Oncology, Dana–Farber Cancer Institute — both in Boston (T.J.H.); and the Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University School of Medicine, and the Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health — both in Baltimore (O.W.B.).