1. University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
2. University of Texas Southwestern Medical Center, Dallas, Texas
3. University of North Carolina School of Medicine, Chapel Hill, North Carolina
4. University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
5. Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio
6. University of California San Diego School of Medicine, San Diego, California
7. Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
8. Department of Urologic Sciences, University of British Columbia, Vancouver, British Columbia, Canada
9. University of Florida College of Medicine, Gainesville, Florida