1. Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin–Madison
2. Department of Otolaryngology—Head & Neck Surgery, Medical University of South Carolina, Charleston
3. Division of Geriatrics, Department of Medicine, School of Medicine and Public Health, University of Wisconsin–Madison
4. Wisconsin Alzheimer's Disease Research Center, School of Medicine and Public Health, University of Wisconsin–Madison
5. Division of Environmental and Occupational Health Sciences, School of Public Health, University of Illinois Chicago