1. Division of Urology; Department of Surgery; Cedars-Sinai Medical Center; Los Angeles CA 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 Urology; University of California at San Diego Medical Center; San Diego CA USA
5. Urology Section; Veterans Affairs Medical Center; San Diego CA USA
6. Urology Section; Division of Surgery; Veterans Affairs Medical Centers; Augusta GA USA
7. Division of Urologic Surgery; Department of Surgery; Medical College of Georgia; Augusta GA USA
8. Division of Urology; Department of Surgery; Oregon Health and Science University; Portland OR USA
9. Departments of Urology and Epidemiology and Biostatistics; University of California; San Francisco CA USA
10. Urology Section; Department of Surgery; Veterans Affairs Medical Center; San Francisco CA USA
11. Urology Section; Department of Surgery; Veterans Affairs Medical Center; Los Angeles CA USA
12. Department of Urology; University of California at Los Angeles Medical Center; Los Angeles CA USA
13. Department of Urology; Mayo Clinic; Rochester MN USA