1. New York Eye and Ear Infirmary, Department of Otolaryngology; Voice and Swallowing Institute; New York New York
2. Division of Laryngology; New York Eye and Ear Infirmary, Department of Otolaryngology; New York New York
3. New York Medical College, School of Medicine; Valhalla New York New York U.S.A.
4. Department of Cell Biology; New York Medical College; Valhalla New York