1. Department of Surgery, Urology Service, Memorial Sloan Kettering Cancer Center, New York, New York
2. Department of Urology, Weill Cornell Medical College, New York, New York
3. Department of Medicine, Genitourinary Oncology Service, Memorial Sloan Kettering Cancer Center, New York, New York
4. Department of Medicine, Weill Cornell Medical College, New York, New York
5. Department of Epidemiology & Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York