1. Department of Otolaryngology-Head and Neck Surgery; University of Cincinnati College of Medicine; Cincinnati Ohio U.S.A
2. Department of Otolaryngology-Head and Neck Surgery and Center for Voice Airway and Swallowing; Georgia Regents University; Augusta Georgia U.S.A
3. Department of Otolaryngology-Head and Neck Surgery; University of Cincinnati College of Medicine, and Divisions of Otolaryngology-Head and Neck Surgery and Pulmonary Medicine, Cincinnati Children's Hospital Medical Center; Cincinnati Ohio U.S.A
4. New York Eye and Ear Infirmary of Mount Sinai; New York New York U.S.A
5. Lakeshore Professional Voice; St. Clair Shores Michigan U.S.A
6. Department of Otolaryngology-Head and Neck Surgery; Lewis Katz School of Medicine at Temple University; Philadelphia Pennsylvania U.S.A
7. Voice and Swallowing Institute, Department of Otolaryngology-Head and Neck Surgery, Columbia University Medical Center; New York New York U.S.A