1. Department of Otolaryngology‐Head and Neck Surgery West Virginia University Health Sciences Center Morgantown West Virginia U.S.A.
2. Department of Otolaryngology‐Head and Neck Surgery Oregon Health & Science University Oregon Portland U.S.A.
3. Blanchette Rockefeller Neurosciences Institute West Virginia University Health Sciences Center Morgantown West Virginia U.S.A.
4. Department of Otolaryngology‐Head and Neck Surgery Louisiana State University Shreveport Louisiana U.S.A.
5. Department of Otolaryngology‐Head and Neck Surgery University of Pittsburgh Medical Center Pittsburgh Pennsylvania U.S.A.
6. Department of Immunology University of Pittsburgh Pittsburgh Pennsylvania U.S.A.