1. Department of Otolaryngology, Head & Neck Surgery, Joan and Sanford I Weill Medical College of Cornell University, New York, New York
2. Department of Facial Plastic Surgery, Center for Facial Plastic Surgery, Chappaqua, New York
3. Department of Otolaryngology, Head and Neck Surgery, New York Presbyterian Hospital, New York, New York
4. Department of Medicine, Duke University School of Medicine, Durham, North Carolina
5. Department of General Surgery, Spital Uster, Uster, Kanton Zurich, Switzerland
6. Department of Surgery, Cornell University Joan and Sanford I Weill Medical College, New York, New York