Affiliation: | a Division of Urological Surgery, Duke Prostate Center, Duke University School of Medicine, Durham, North Carolina b Department of Pathology, Duke University School of Medicine, Durham, North Carolina c Urology Section, Veterans Affairs Medical Center, Durham, North Carolina d Urology Section, Veterans Affairs Medical Center and Section of Urology, Medical College of Georgia, Augusta, Georgia e Urology Section, Veterans Affairs Medical Center and Department of Urology, University of California, San Francisco School of Medicine, San Francisco, California f Urology Section, Veterans Affairs Greater Los Angeles Healthcare System and Department of Urology, University of California, Los Angeles School of Medicine, Los Angeles, California g Department of Urology, Stanford University School of Medicine and Urology Section, Veterans Affairs Medical Center, Palo Alto, California h Division of Urology, University of Alabama, Birmingham, Alabama |