1. Department of Radiation Oncology; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
2. Department of Epidemiology; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
3. University of North Carolina-Lineberger Comprehensive Cancer Center; Chapel Hill North Carolina
4. Department of Urology; Roswell Park Cancer Institute; Buffalo New York
5. School of Nursing; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
6. Sheps Center for Health Services Research; University of North Carolina at Chapel Hill; Chapel Hill North Carolina