1. Dana‐Farber/Brigham and Women's Cancer Center Boston Massachusetts
2. NRG Oncology Statistics and Data Management Center American College of Radiology Philadelphia Pennsylvania
3. Massachusetts General Hospital Boston Massachusetts
4. Toronto General Hospital Toronto Ontario Canada
5. The University of Texas MD Anderson Cancer Center Houston Texas
6. University of Texas Southwestern Medical Center Dallas Texas
7. Northwestern University Evanston Illinois
8. Thomas Jefferson University Hospital Philadelphia Pennsylvania
9. University of Chicago Comprehensive Cancer Center Chicago Illinois
10. University of Wisconsin Hospital and Clinics Madison Wisconsin
11. Froedtert and the Medical College of Wisconsin Milwaukee Wisconsin
12. University of Oklahoma Health Sciences Center Oklahoma City Oklahoma
13. University of Kentucky Lexington Kentucky
14. University of Southern California Los Angeles California
15. North Shore University Health System Evanston Illinois
16. The US Oncology Network‐Willamette Valley Cancer Institute Eugene Oregon
17. Baptist Hospital of Miami Miami Florida