1. Varian Advanced Oncology Solutions Newton Massachusetts USA
2. Novant Health Cancer Institute: Forsyth Medical Center Winston‐Salem North Carolina USA
3. Mayo Clinic Arizona Phoenix Arizona USA
4. Beth Israel ‐ Lahey Health Winchester Massachusetts USA
5. Vanderbilt University Medical Center Nashville Tennessee USA
6. Texas Oncology The Woodlands Texas USA
7. Colorado Associates in Medical Physics Colorado Springs Colorado USA
8. Northwest Medical Physics Center Lynnwood Washington USA
9. University of Washington Seattle Washington USA
10. Geisinger Medical Center Danville Pennsylvania USA
11. Boulder Community Health Boulder Colorado USA