1. From the Framingham Heart Study (H.P., M.G.L., E.J.B., D.L., P.W.F.W., R.S.V.); Lahey Clinic (M.K.R., R.W.N.), Burlington, Mass; the Cardiology Section (E.J.B., R.S.V.) and Department of Preventative Medicine and Epidemiology (M.G.L., D.L., E.J.B., P.W.F.W., R.S.V.), Boston University School of Medicine, Boston, Mass; the Divisions of Cardiology and Clinical Epidemiology (D.L.), Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass; the Department of Medicine (J.B.M.),...