1. From the Departments of Nutrition (JKV, DM, SEC, and EBR) and Epidemiology (EBR), Harvard School of Public Health, Boston, MA; the Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, and Harvard Medical School, Boston, MA (EBR); and the University of Kuopio, School of Public Health and Clinical Nutrition, Research Institute of Public Health, Kuopio, Finland (JKV)