1. Department of Radiation Oncology Washington University in St. Louis St. Louis Missouri
2. Department of Radiation Oncology Emory University, Winship Cancer Institute Atlanta Georgia
3. Department of Biostatistics, Epidemiology and Informatics University of Pennsylvania Philadelphia Pennsylvania
4. Department of Radiation Oncology University of Pennsylvania Philadelphia Pennsylvania
5. Mayo Clinic, Division of Biomedical Statistics and InformaticsScottsdale Arizona
6. Department of Urology Washington University in St. Louis St. Louis Missouri
7. Department of Medical Oncology Washington University in St. Louis St. Louis Missouri
8. Department of Urology University of Pennsylvania Philadelphia Pennsylvania
9. Department of Medical Oncology University of Pennsylvania Philadelphia Pennsylvania
10. National Cancer Institute, Cairo University Cairo Egypt