1. Urology Service, Sidney Kimmel Center for Prostate and Urologic Cancers, Memorial Sloan-Kettering Cancer Center, New York, New York
2. Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, New York
3. Department of Medicine, Infectious Diseases Service, Memorial Sloan-Kettering Cancer Center, New York, New York
4. Department of Urology, Weill Medical College of Cornell University, New York, New York