1. Department of Otolaryngology‐Head and Neck Surgery, The Center for Voice and Swallowing Columbia University Irvine Medical Center, New York‐Presbyterian Hospital New York New York U.S.A.
2. Department of Otolaryngology – Head & Neck Surgery, Sean Parker Institute for the Voice Weill Cornell Medical College New York New York U.S.A.
3. Department of Otolaryngology–Head and Neck Surgery Marmara University Pendik Training and Research Hospital Istanbul Turkey
4. Department of Otolaryngology‐Head and Neck Surgery Columbia University Irvine Medical Center, New York‐Presbyterian Hospital New York New York U.S.A.