1. From the Departments of Nutrition (T.P., F.M.S., M.J.S., E.B.R.) and Epidemiology (T.P., M.J.S., E.B.R.), Harvard School of Public Health, Boston, Mass; Channing Laboratory (F.M.S., M.J.S., E.B.R.), Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Mass; Department of Laboratory Medicine (N.R.), Children’s Hospital and Department of Pathology, Harvard Medical School, Boston, Mass; the Department of Epidemiology (T.P.), German Institute of Human Nutrition, Potsdam...