Affiliation: | 1. Department of Radiation Oncology, University of Michigan, Ann Arbor, Michigan;2. Department of Radiation Oncology, Saint Savvas Anticancer Institute of Athens, Greece;3. Division of Oncology, Institute of Radiation Therapy, Tel‐Aviv Sourasky Medical Center, Tel Aviv, Israel;4. Department of Otolaryngology–Head and Neck Surgery, University of Michigan, Ann Arbor, Michigan;5. Division of Hematology Oncology, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, Michigan;6. Department of Biostatistics, University of Michigan, Ann Arbor, Michigan;7. Department of Pathology, University of Michigan, Ann Arbor, Michigan |