1. Division of Urologic Surgery, Brigham and Women's Hospital, Boston, Massachusetts
2. Department of Urology, Medical University of South Carolina, Charleston, South Carolina
3. Department of Urology, Georgetown University Hospital, Washington, DC
4. Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, Massachusetts
5. Methodist Hospital, Department of Urology, Weill Cornell Medical College, New York, New York
6. Dana-Farber Cancer Institute, Boston, Massachusetts
7. Department of Urology, University of California Los Angeles, Los Angeles, California