1. Department of Otolaryngology—Head and Neck Surgery Johns Hopkins University School of Medicine Baltimore MD U.S.A.
2. Bloomberg‐Kimmel Institute for Cancer Immunotherapy Baltimore MD U.S.A.
3. Department of Dermatology Johns Hopkins University School of Medicine Baltimore MD U.S.A.
4. Department of Oncology Johns Hopkins University School of Medicine Baltimore MD U.S.A.
5. Department of Pathology Johns Hopkins University School of Medicine Baltimore MD U.S.A.
6. Department of Otolaryngology Vanderbilt University School of Medicine Nashville TN U.S.A.