1Department of Urology, Stanford University Medical Center, Stanford, California
2Department of Urology, Stanford University Medical Center, Stanford, California2Department of Urology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
3Department of Urology, Stanford University Medical Center, Stanford, California3University of California, San Diego School of Medicine
4University of California San Diego School of Medicine.
5Department of Urology and Dermatology, Stanford University Medical Center, Stanford, California
6Center for Surgery and Public Health, Brigham and Women’s Hospital, Boston, Massachusetts
7Division of Urology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts