1. Department of Sociology, University of Minnesota, Minneapolis
2. Minnesota Population Center, University of Minnesota, Minneapolis
3. Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill
4. Department of Medicine, School of Medicine, University of North Carolina at Chapel Hill
5. Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, North Carolina
6. Alzheimer’s Disease Research Center, Wake Forest School of Medicine, Winston-Salem, North Carolina
7. School of Medicine, University of Mississippi Medical Center, Jackson
8. Division of Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis
9. National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland