1. Division of Hematology and Oncology Knight Cancer Institute Oregon Health and Science University, Portland Oregon USA
2. Department of Internal Medicine Oregon Health and Science University Portland Oregon USA
3. Department of Otolaryngology, Division of Head and Neck Surgery Oregon Health and Science University Portland Oregon USA
4. Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center New York New York USA
5. Department of Radiation Oncology The University of Texas MD Anderson Cancer Center Houston Texas USA
6. Department of Otolaryngology‐Head and Neck Surgery University of California San Francisco San Francisco California USA
7. Center for Cancer Research National Cancer Institute Bethesda Maryland USA
8. Department of Head and Neck Surgery The University of Texas MD Anderson Cancer Center Houston Texas USA
9. Department of Radiation Medicine Oregon Health and Science University Portland Oregon USA