1. Division of Epidemiology and Community Health, University of Minnesota , Minneapolis, Minnesota , USA
2. Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, University of Minnesota , Minneapolis, Minnesota , USA
3. Division of General Medicine, Columbia University Irving Medical Center , New York, New York , USA
4. Department of Medicine, University of Mississippi Medical Center , Jackson, Mississippi , USA
5. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland, USA
6. Stroke Branch, National Institute of Neurological Disorders and Stroke Intramural Research Program , Bethesda, Maryland , USA
7. Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine , Baltimore, Maryland , USA
8. Department of Psychiatry and Behavioral Sciences, Johns Hopkins Center on Aging and Health , Baltimore, Maryland, USA
9. Department of Mental Health, Johns Hopkins Bloomberg School of Public Health , Baltimore, Maryland , USA
10. Turner Institute for Brain and Mental Health, Monash University , Clayton, Victoria , Australia