1. From the Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL (H.N., D.R.L., L.H., L.V.H., D.M.L.-J.); Department of Nutrition, Gillings School of Global Public Health, University of North Carolina at Chapel Hill (C.M.S.); and Department of Pediatrics, University of Colorado School of Medicine; Aurora (S.R.D.).