1. Department of Epidemiology; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
2. Department of Otolaryngology-Head and Neck Surgery; Johns Hopkins School of Medicine; Baltimore MD USA
3. Department of Neurology; Johns Hopkins School of Medicine; Baltimore MD USA
4. Department of Communication Sciences and Disorders; University of South Florida; Tampa FL USA
5. Department of Biostatistics; Gillings School of Global Public Health, University of North Carolina; Chapel Hill NC USA
6. Department of Epidemiology; University of Pittsburgh School of Public Health; Pittsburgh PA USA
7. George W. Comstock Center for Public Health Research and Prevention, Johns Hopkins Bloomberg School of Public Health; Hagerstown MD USA
8. Department of Medicine; University of Mississippi Medical Center; Jackson MS USA
9. Department of Mental Health; Johns Hopkins Bloomberg School of Public Health; Baltimore MD USA
10. Center on Aging and Health, Johns Hopkins Medical Institutions; Baltimore MD USA
11. Department of General Internal Medicine; Johns Hopkins School of Medicine; Baltimore MD USA