1. Baylor College of Medicine, Houston, Texas
2. Institute of Urologic Oncology, Department of Urology, David Geffen School of Medicine at UCLA, Los Angeles, California
3. Center for Surgery and Public Health, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
4. Department of Radiation Oncology, Dana-Farber Cancer Institute, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
5. Department of Urology, The Methodist Hospital, Weill Cornell Medical College, Houston, Texas