1. Urology Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York
2. Health Outcomes Research Group, Memorial Sloan-Kettering Cancer Center, New York, New York
3. Departments of Urology and Medical Oncology, New York-Presbyterian Hospital/Weill Cornell Medical Center, New York, New York
4. Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York