1. From EPICORE (P.W.F.W.), Emory University School of Medicine, and the Atlanta VAMC Epidemiology and Genetics Section, Atlanta, Ga; National Heart, Lung, and Blood Institute (C.J.O.D.); National Heart, Lung and Blood Institute’s Framingham Heart Study (M.P., R.D.A., C.J.O.D.), Framingham Mass; Department of Mathematics (M.P., R.D.A.), Boston University, Boston, Mass; Tufts USDA Nutrition Center (P.J., J.S.), Boston, Mass.