1. From the Framingham Heart Study, National Heart, Lung, and Blood Institute, Framingham, MA (R.B.S., X.Y., M.G.L., J.F.Y., J.D.F., J.R., D.L., J.M.M., R.S.V., E.J.B.); Departments of Mathematics and Statistics (M.G.L.), Biostatistics (X.Y., M.G.L, J.F.Y.), and Epidemiology (E.J.B.), School of Public Health, Boston University, Boston, MA; Whitaker Cardiovascular Institute (R.S.V., E.J.B.), Evans Memorial Medicine Department (R.S.V., E.J.B.), Section of Preventive Medicine (R.S.V., E.J.B.), Section of...