1. Division of Otology, Neurotology and Skull Base Surgery, Department of Otolaryngology-Head and Neck Surgery; Columbia University College of Physicians and Surgeons; New York New York U.S.A
2. Department of Otolaryngology-Head and Neck Surgery; Columbia University Cochlear Implant Center; New York New York U.S.A
3. Department of Epidemiology; Columbia University Mailman School of Public Health; New York New York U.S.A
4. Department of Otolaryngology-Head and Neck Surgery; Columbia University Voice and Swallowing Institute; New York New York U.S.A
5. Department of Otolaryngology-Head and Neck Surgery; University Hospital of Rouen; Rouen France