1. Department of Radiation Oncology, University of Michigan, Ann Arbor
2. Department of Biostatistics, University of Michigan, Ann Arbor
3. Department of Radiation Oncology, University of California, Los Angeles
4. Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts
5. Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
6. Department of Radiation Oncology, Cedars-Sinai Medical Center, West Hollywood, California
7. Department of Radiation Oncology, Thomas Jefferson University, Philadelphia, Pennsylvania
8. Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee
9. Department of Medicine, University of Michigan, Ann Arbor
10. Department of Urology, University of Michigan, Ann Arbor
11. Department of Pathology, University of Michigan, Ann Arbor
12. Department of Urology, Northwestern University, Chicago, Illinois
13. Department of Medicine, Tulane Cancer Center, New Orleans, Louisiana
14. Department of Radiation Oncology, Duke Health, Durham, North Carolina
15. Department of Radiation Oncology, Sutter Medical Group, Sacramento, California
16. Department of Radiation Oncology, Washington University School of Medicine in St Louis, St Louis, Missouri
17. Department of Public Health Sciences, University of Chicago, Chicago, Illinois
18. Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
19. Department of Radiation Oncology, University of California, San Francisco
20. Department of Urology, University of California, San Francisco
21. Department of Medicine, University of California, San Francisco