1. Department of Urology, Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio.
2. Division of Urology, Washington University School of Medicine, St. Louis, Missouri.
3. James Buchanan Brady Urological Institute, Johns Hopkins Medical Institutions, Baltimore, Maryland.
4. Vattikuti Urology Institute, Henry Ford Hospital, Detroit, Michigan.
5. Department of Urology, Hackensack University Medical Center, Hackensack, New Jersey.