1. From the Departments of Radiology (S.K.K., R.D.M., V.P.), Population Health (S.K.K., S.L.), and Urology (S.L.), New York University Grossman School of Medicine, 660 First Ave, Room 333, New York, NY 10016; Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY (B.S.F.); and Manhattan VA Medical Center, New York, NY (S.L.).