1. Johns Hopkins University School of Medicine Department of Psychiatry and Behavioral Sciences, , Baltimore, MD 21287 , USA
2. Michigan State University Department of Epidemiology and Biostatistics, , East Lansing, MI 48824 , USA
3. University of Mississippi Medical Center The Memory Impairment and Neurodegenerative Dementia (MIND) Center, , Jackson, MS 39216 , USA
4. University of Pennsylvania Perelman School of Medicine Department of Neurology, , Philadelphia, PA 19104 , USA
5. Johns Hopkins Bloomberg School of Public Health Department of Epidemiology, , Baltimore, MD 21287 , USA
6. Cochlear Center for Hearing and Public Health , Baltimore, MD 21287 , USA