1. Head and Neck Institute, Cleveland Clinic Department of Otolaryngology‐Head and Neck Surgery Cleveland Ohio U.S.A.
2. Lerner Research Institute, Cleveland Clinic Department of Quantitative Health Sciences Cleveland Ohio U.S.A.
3. Taussig Cancer Institute, Cleveland Clinic Department of Hematology and Medical Oncology Cleveland Ohio U.S.A.
4. Respiratory Institute, Cleveland Clinic Department of Pulmonary Medicine Cleveland Ohio U.S.A.