1. From the Departments of Urology (MG, MO, PIK, IC, PTS), and Epidemiology and Biostatistics (MWK), Memorial Sloan-Kettering Cancer Center, New York, New York, Departments of Urology and Pathology, University Hospital Hamburg-Eppendorf, Germany (MG, PGH, AH, AE, R-PH, HH, MWK), and Departments of Urology and Pathology, Baylor College of Medicine, Houston, Texas (TMW, KS)