1. Department of Public Health, Davidson College, Davidson, North Carolina, USA
2. Department of Population Health, NYU School of Medicine, New York, New York, USA
3. Department of Nutrition, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
4. Department of Epidemiology, Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA