1. Department of Urology, Memorial Sloan-Kettering Cancer Center, New York, New York
2. Department of Pathology, Baylor College of Medicine and Methodist Hospital, Houston, Texas
3. Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, New York
4. Department of Epidemiology and Biostatistics, Memorial Sloan-Kettering Cancer Center, New York, New York