1. Sean Parker Institute for the VoiceWeill Cornell Medical College New York U.S.A.
2. Department of Otolaryngology ‐ Head & Neck SurgeryWeill Cornell Medical College New York U.S.A.
3. Department of Voice and Swallowing Disorders, Division of Otolaryngology Head and Neck Surgery, Maimonides Medical Center Brooklyn New York U.S.A.