| Affiliation: | 1. Department of Radiation Oncology, University of Texas Southwestern Medical Center, Dallas, Texas;2. Department of Radiation Oncology, University of Michigan Health System, Ann Arbor, Michigan;3. Department of Radiation Oncology, University of Virginia Health System, Charlottesville, Virginia;4. Department of Radiation Oncology, Cedars-Sinai Medical Center, Los Angeles, California;5. Department of Radiation Oncology, University of Colorado, Denver, Aurora, Colorado;6. Department of Radiation Oncology, Temple University, Philadelphia, Pennsylvania;7. Department of Radiation Oncology, University of California, San Diego, California;8. Department of Radiation Medicine, Long Island Jewish Medical Center, New Hyde Park, New York;9. Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York |
