1. Department of Obstetrics and Gynecology; Division of Clinical Epidemiologic Research; Program of Cancer Detection; Prevention and Control; Duke University School of Medicine; Durham North Carolina
2. Section of Urology; Department of Surgery; Durham VA Medical Center; Durham North Carolina
3. Duke Prostate Center; Division of Urology; Department of Surgery; Duke University Medical Center; Durham North Carolina
4. Medical Service; Division of Hematology-Oncology; Durham VA Medical Center; Durham North Carolina
5. Cancer Research Program; JLC-Biomedical/Biotechnology Research Institute; North Carolina Central University; Durham North Carolina
6. Department of Medicine; Division of Nephrology; Duke University Medical Center; Durham North Carolina
7. Institue for Translational Epidemiology and Tisch Cancer Institute; Icahn School of Medicine at Mount Sinai; New York New York