1. Urology Section; Veterans Affairs Medical Center; Durham NC USA
2. Division of Urology; Department of Surgery; Duke Prostate Center; Duke University School of Medicine; Durham NC USA
3. Division of Urologic Surgery; Washington University School of Medicine; St. Louis MO USA
4. The Arthur Smith Institute for Urology; North Shore Long Island Jewish Health System; New Hyde Park NY USA
5. Oncology Research & Development; GlaxoSmithKline; Philadelphia PA USA
6. Cancer Detection, Prevention and Control Program; Duke University; Durham NC USA
7. Division of Clinical and Epidemiologic Research; Department of Obstetrics and Gynecology; Duke University; Durham NC USA