1. Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Department of Health and Human Sciences, Research Triangle Park, North Carolina.
2. Intramural Program, National Institute on Minority Health and Health Disparities, National Institutes of Health, Department of Health and Human Sciences, Bethesda, Maryland.
3. Social Determinants of Obesity and Cardiovascular Risk Laboratory, National Heart, Lung, and Blood Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland.
4. Department of Neurology, University of Miami, Miller School of Medicine, Miami, Florida.