1. Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, NC
2. Intramural Program, National Institute on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD
3. Center for Translation Research and Implementation Science, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD
4. Division of Lung Diseases, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD
5. Division of Extramural Scientific Programs, National Institute on Minority Health and Health Disparities, National Institutes of Health, Bethesda, MD