1. From the Departments of Epidemiology (MAB, JSK, JAS, and WR) and Nutrition (JAS), School of Public Health, and the Carolina Population Center (MAB and JSK), University of North Carolina at Chapel Hill, Chapel Hill, NC; the Division of Epidemiology & Community Health, School of Public Health, University of Minnesota, Minneapolis, MN (ARF); and the Center for Human Nutrition, Department of Internat