Affiliation: | †Department of Radiation Oncology, Brigham and Women's Hospital and Dana-Farber Cancer Institute, Boston, MA;‡Department of Urology, Program in Urologic Oncology, Urology Outcomes Research Group, UCSF Comprehensive Cancer Center, University of California, San Francisco, CA;*Harvard Radiation Oncology Program, Harvard Medical School, Boston, MA;§Department of Statistics, University of Connecticut, Storrs, CT |