1. Department of NutritionGillings School of Global Public Health and School of Medicine, University of North Carolina at Chapel Hill123 West Franklin StreetChapel Hill North Carolina at Chapel Hill USA
2. Carolina Population CenterUniversity of North CarolinaChapel Hill North Carolina USA
3. Department of BiostatisticsGillings School of Global Public Health, University of North Carolina at Chapel HillChapel Hill North Carolina USA