1. Department of Otolaryngology; Harvard Medical School; Boston MA
2. Department of Otolaryngology; Massachusetts Eye and Ear Infirmary; Boston MA
3. School of Medicine; University of Nevada, Reno; Reno NV
4. Departamento de Otorrinolaringologia e Cirurgia de Cabeça e Pescoço (Department of Otorhinolaryngology and Head and Neck Surgery); Universidade Federal de São Paolo; São Paulo Brazil
5. Nevada ENT and Hearing Associates; Reno NV
6. Division of Otolaryngology; Beth Israel Deaconess Medical Center; Boston MA
7. Department of Otolaryngology and Communications Enhancement; Boston Children's Hospital; Boston MA