1. Helen Diller Family Comprehensive Cancer Center, Department of Urology, University of California, San Francisco
2. Department of Epidemiology & Biostatistics, University of California, San Francisco
3. Fred Hutchinson Cancer Research Center, Biostatistics Program, Public Health Sciences, Seattle, Washington
4. Fred Hutchinson Cancer Research Center, Cancer Prevention Program, Public Health Sciences, Seattle, Washington
5. Department of Urology, University of Washington, Seattle
6. Department of Urology, Stanford University, Stanford, California
7. Department of Urology, Veterans Affairs Puget Sound Health Care System, Seattle, Washington
8. Department of Urologic Sciences, University of British Columbia, Vancouver, Canada
9. Department of Urology, Eastern Virginia Medical School, Virginia Beach
10. Department of Urology, University of Michigan, Ann Arbor
11. Division of Human Biology, Fred Hutchinson Cancer Research Center, Seattle, Washington
12. CHRISTUS Medical Center Hospital, San Antonio, Texas
13. Division of Urology, Beth Israel Deaconess Medical Center, Boston, Massachusetts