1. VHA San Diego Health Care System, La Jolla, California
2. Department of Radiation Medicine and Applied Sciences, University of California San Diego School of Medicine, La Jolla
3. Department of Urology, University of California San Diego School of Medicine, La Jolla
4. Department of Radiation Oncology, Harvard Medical School, Cambridge, Massachusetts
5. Dana-Farber Cancer Institute, Harvard Medical School, Cambridge, Massachusetts
6. Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts
7. Department of Family Medicine and Public Health, University of California San Diego School of Medicine, La Jolla