1. Department of Urology, University of California, San Francisco, San Francisco, California.
2. Division of Urology, Department of Surgery, University of Arizona College of Medicine, Tucson, Arizona.
3. Division of Urology, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, The Thai Red Cross Society, Bangkok, Thailand.
4. Department of Nephro-urology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan.
5. Department of Urology, University of California, San Diego, San Diego, California.
6. Department of Urology, Oregon Health & Science University, Portland, Oregon.
7. Department of Urology, University of Washington, Seattle, Washington.
8. Department of Urology, Vanderbilt University Medical Center, Nashville, Tennessee.
9. Department of Radiology, University of California, San Francisco, San Francisco, California.