1. Duke Prostate Center; Division of Urology; Department of Surgery and Pathology; Duke University School of Medicine; Durham NC USA
2. Urology Section; Veterans Affairs Medical Center; Durham NC USA
3. Department of Biostatistics and Bioinformatics; Duke University School of Medicine; Durham NC USA
4. Department of Surgery; Division of Urology; Samuel Oschin Comprehensive Cancer Institute; Cedars-Sinai Medical Center; Los Angeles CA USA
5. Urology Section; Department of Surgery; Veterans Affairs Medical Center of Greater Los Angeles; Los Angeles CA USA
6. Department of Urology; University of California at Los Angeles Medical Center; Los Angeles CA USA
7. Urology Section; Division of Surgery; Veterans Affairs Medical Center; Augusta GA USA
8. Division of Urologic Surgery; Department of Surgery; Medical College of Georgia; Augusta GA USA
9. Division of Urology; Department of Surgery; University of California at San Diego Medical Center; San Diego CA USA
10. Department of Urology; Oregon Health and Science University; Portland OR USA
11. Department of Urology; University of California at San Francisco; San Francisco CA USA
12. Department of Epidemiology and Biostatistics; University of California at San Francisco; San Francisco CA USA
13. Urology Section; Department of Surgery; Veterans Affairs Medical Center; San Francisco CA USA