1. Department of Urology, University of Minnesota, Minneapolis, Minnesota
2. Department of Urology, University of Michigan, Ann Arbor, Michigan
3. Glickman Kidney and Urological Institute, Cleveland Clinic, Cleveland, Ohio
4. Division of Urology, University of California San Diego School of Medicine, La Jolla, California
5. Division of Urology, Spectrum Health Medical Group/Michigan State University College of Human Medicine, Grand Rapids, Michigan
6. Department of Urology, University of Rochester School of Medicine, Rochester, New York