From the Framingham Heart Study (G.T., C.J.O., D.L., R.B.S., R.S.V., C.S.F., E.J.B.), Boston University and the National Institutes of Health/National Heart, Lung, and Blood Institute, Framingham, Mass; Boston University School of Medicine (G.T., E.J.B.), Boston, Mass; Boston University School of Public Health (J.M.M., R.S.V., E.J.B.), Boston, Mass; Massachusetts General Hospital (C.J.O., U.H., P.T.E., T.J.W., C.S.F.), Harvard Medical School, Boston, Mass; MGH PET MR CT Program (U.H.), Boston, Mass;... (At 2010-08)