1. Department of Prevention and Community Health, The George Washington University Milken Institute School of Public Health , Washington, DC , USA
2. Department of Exercise and Nutrition Sciences, The George Washington University Milken Institute School of Public Health , Washington, DC , USA
3. Department of Epidemiology, The George Washington University Milken Institute School of Public Health , Washington, DC , USA
4. Department of Health, Behavior, and Society, Johns Hopkins Blumberg school of Public Health , Baltimore, MD , USA