1. From the Division of Cardiovascular Medicine, Duke University Medical Center, Durham, NC (P.S.D.); Department of Medicine, Cardiovascular Research Institute, Washington Hospital Center, Washington, DC (A.T.); Division of Prevention and Population Sciences (D.B.) and Division of Cardiovascular Sciences (M.L.), National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Md; Northwestern University Feinberg School of Medicine, Chicago, Ill (R.B., P.G.); Emergency Medicine,...