1. Department of Otolaryngology-Head and Neck Surgery; College of Physicians and Surgeons; New York-Presbyterian/Columbia University Medical Center; Columbia University; New York City New York
2. Department of Medicine; College of Physicians and Surgeons; New York-Presbyterian/Columbia University Medical Center; Columbia University; New York City New York
3. Department of Epidemiology; Mailman School of Public Health; Columbia University; New York City New York
4. Department of Neurology; College of Physicians and Surgeons; New York-Presbyterian/Columbia University Medical Center; Columbia University; New York City New York
5. Taub Institute for Research on Alzheimer's Disease and the Aging Brain; Columbia University; New York City New York
6. Gertrude H. Sergievsky Center; Columbia University; New York New York