1. Department of Radiation Oncology, UCSF Medical Center, San Francisco, California
2. Department of Medicine, UCSF Medical Center, San Francisco, California
3. Department of Urology, UCSF Medical Center, San Francisco, California
4. Decipher Biosciences, San Diego, California
5. Department of Radiation Oncology, University of Michigan, Ann Arbor
6. Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, California
7. NRG Biorepository, Department of Pathology, UCSF Medical Center, San Francisco, California
8. Department of Radiation Oncology, Brigham and Women's Hospital, Boston, Massachusetts
9. Department of Radiation Oncology, University of Miami Miller School of Medicine, Miami, Florida
10. Department of Radiation Oncology, Massachusetts General Hospital, Boston, Massachusetts
11. Department of Radiation Oncology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
12. Emmes Canada, Vancouver, British Columbia, Canada
13. NRG Oncology Statistics and Data Management Center, Philadelphia, Pennsylvania
14. Department of Public Health, University of Chicago, Chicago, Illinois
15. Department of Medicine, Dana-Farber/Harvard Cancer Center, Boston, Massachusetts
16. Department of Oncology, University College London, London, United Kingdom
17. Department of Radiation Oncology, Centre Hospitalier de l’Université de Montréal-Notre Dame, Montreal, Quebec, Canada
18. Department of Radiation Oncology, Juravinski Cancer Centre at Hamilton Health Sciences, Hamilton, Ontario, Canada
19. Department of Radiation Oncology, Froedtert and the Medical College of Wisconsin, Madison, Wisconsin
20. Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota
21. Department of Radiation Oncology, WellSpan Health-York Cancer Center accruals under Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
22. Department of Radiation Oncology, Johns Hopkins University, Baltimore, Maryland
23. Department of Oncology, Johns Hopkins University, Baltimore, Maryland
24. Department of Urology, Johns Hopkins University, Baltimore, Maryland