1. Genitourinary Oncology Service, Department of Medicine; 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; St. Luke's Roosevelt Hospital Center, Continuum Cancer Centers; New York New York
4. Urology Service, Department of Surgery; Memorial Sloan-Kettering Cancer Center; New York New York