1. 1Department of Social, Behavioral, and Population Sciences, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana;
2. 2Department of International Health and Sustainable Development, Tulane University School of Public Health and Tropical Medicine, New Orleans, Louisiana;
3. 3College of Public Health, Temple University, Philadelphia, Pennsylvania;
4. 4Louisiana Department of Health, Office of Public Health, Baton Rouge, Louisiana;
5. 5The Population Council, Washington, District of Columbia