1. Division of Urology Durham Veterans Affairs Health Care System Durham North Carolina USA
2. Department of Biostatistics and Bioinformatics, Duke Cancer Institute Biostatistics Shared Resource Duke University School of Medicine Durham North Carolina USA
3. Department of Urology University of California Los Angeles Medical Center Los Angeles California USA
4. Division of Urology Wadsworth Veterans Affairs Medical Center Los Angeles California USA
5. Department of Urology University of California San Diego Health System San Diego California USA
6. Division of Urology Veterans Affairs San Diego Healthcare System San Diego California USA
7. Department of Urology Oregon Health and Science University Portland Oregon USA
8. Department of Urology University of California San Francisco Medical Center San Francisco California USA
9. Division of Urology San Francisco Veterans Affairs Medical Center San Francisco California USA
10. Department of Surgery Augusta University Augusta Georgia USA
11. Division of Urology Charlie Norwood Veterans Affairs Medical Center Augusta GA USA
12. Department of Surgery Cedars‐Sinai Medical Center Los Angeles Los Angeles USA