1. The David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California
2. Los Angeles County Department of Health Services, Los Angeles, California
3. Veterans Health Administration, Los Angeles, California
4. Kaiser Permanente Northern California, Santa Clara Medical Center, Santa Clara, California
5. University of California, San Francisco, San Francisco, California
6. American Urological Association, Linthicum, Maryland
7. Stanford University, Stanford, California
8. Lexington Medical Center, West Columbia, South Carolina
9. Mayo Clinic, Rochester, Minnesota
10. Duke University, Durham, North Carolina
11. Medical College of Georgia, Augusta, Georgia
12. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina