1. Department of Surgery, Sidney Kimmel Center for Prostate and Urologic Cancers, New York, New York
2. Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, New York
3. Department of Surgery, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
4. Department of Urology, Weill Cornell Medical Center, New York, New York