1. Department of Social, Behavioral, and Population Sciences, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana, USA.
2. Departments of Behavioral and Social Sciences and Epidemiology and Center for Health Promotion and Health Equity, Brown University School of Public Health, Providence, Rhode Island, USA.
3. Tulane University School of Medicine, New Orleans, Louisiana, USA.
4. Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA.
5. Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts, USA.
6. Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana, USA.