1. Departments of Urology and Pathology, James Buchanan Brady Urological Institute, Johns Hopkins Hospital, Baltimore, Maryland.
2. Department of Surgery, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
3. Institute for Urology, North Shore-Long Island Jewish Health System, New Hyde Park, New York.
4. Department of Urology, The George Washington University Hospital, Washington, DC.