1. Division of Urology, Cedars-Sinai Medical Center, Los Angeles, California
2. Division of Urology, Durham Veterans Affairs Medical Center, Durham, North Carolina
3. Duke Cancer Institute, Duke University School of Medicine, Durham, North Carolina
4. Department of Urology, Oregon Health Sciences University, Portland, Oregon
5. Division of Urology, West Los Angeles Veterans Affairs Medical Center, Los Angeles, California
6. Department of Urology, University of California, San Francisco, California
7. Department of Urology, University of California, San Diego, San Diego, California
8. Department of Surgery, Section of Urology, Augusta University, Augusta, Georgia
9. Division of Urology, Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia