1. Nell Hodgson Woodruff School of Nursing and Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
2. Department of Anthropology, Emory College of Arts and Sciences and Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
3. Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, GA, USA
4. Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
5. Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA
6. Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA, USA
7. Department of Psychiatry, the George Washington University, Washington, DC, USA