1. From the Department of Epidemiology (E.L.T., W.T.L., S.D., N.L.S., S.R.H., B.M.P.), the Cardiovascular Health Research Unit (E.L.T., K.L.W., K.M.R., J.C.B., N.L.S., S.R.H., B.M.P.), the Departments of Medicine (K.L.W., J.C.B., B.M.P.), Biostatistics (K.M.R.), and Neurology (W.T.L.), University of Washington, Seattle, Wash; the Group Health Research Institute (S.D., S.R.H., B.M.P.), Seattle, Wash; Seattle Epidemiologic Research and Information Center (N.L.S.), Department of Veterans Affairs Office of...