[1
]From the Human Genetics Center (S.-J.H., E.B.) and Institute of Molecular Medicine
(E.B.), University of Texas–Houston Health Science Center; the Department of Medicine,
Baylor College of Medicine (C.M.B., L.C.S., A.M.G.), Houston, Tex; the Epidemiology
and Biometry Program, National Heart, Lung, and Blood Institute, Bethesda, Md (A.R.S.);
and the Department of Biostatistics, University of North Carolina School of Public
Health, Chapel Hill (C.E.D.).