1. Department of Urology, University of California, San Francisco, San Francisco, California.
2. Division of Urology, Department of Surgery, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, The Thai Red Cross Society, Bangkok, Thailand.
3. Department of Nephro-Urology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.
4. Department of Urologic Surgery, Vanderbilt University, Nashville, Tennessee.