1. Department of Otolaryngology Head and Neck Surgery New York‐Presbyterian Hospital/Weill Cornell Medical Center New York New York U.S.A.
2. Department of Otorhinolaryngology Head and Neck Surgery Rush University Medical Center Chicago Illinois U.S.A.
3. Department of General Surgery Spital Uster Uster Switzerland
4. Department of Medicine Duke University Hospital Durham North Carolina U.S.A.
5. Division of Dentistry, Oral and Maxillofacial Surgery New York‐Presbyterian Hospital/Weill, Cornell Medical Center New York New York U.S.A.