1. From the Departments of Urology (MWK, JAE, PTS, MG, HK, MO), and Epidemiology and Biostatistics (MWK), Memorial Sloan-Kettering Cancer Center, New York, New York, the Departments of Urology (MG, HH) and Pathology (AE), Hamburg University Hospital, Hamburg, Germany, and the Departments of Urology (TMW, NM, SFS, KMS) and Pathology (TMW, NM), Baylor College of Medicine, Houston, Texas