1. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins School of Medicine, Baltimore, Maryland
2. Johns Hopkins Bloomberg Kimmel Institute of Immunotherapy, Baltimore, Maryland
3. Sidney Kimmel Department of Oncology, Johns Hopkins School of Medicine, Baltimore, Maryland
4. Department of Radiation Oncology, Greater Baltimore Medical Center, Baltimore, Maryland
5. Department of Thoracic Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston
6. Department of Otolaryngology–Head and Neck Surgery, The Ohio State University, Columbus