1. From the Department of Human Genetics (Q.C., C.K., E.L.Z., M.I.K.), Cardiovascular Institute (S.E.R., D.M.M.), and Department of Medicine (F.B.), University of Pittsburgh, Pittsburgh, Pa; Foundation for Blood Research, Scarborough, Maine (W.Y.C., S.E.L.); Division of Cardiology, University of Florida, Gainesville (D.F.P.); Division of Cardiology, Brown University, Providence, RI (B.S.); Department of Family and Preventive Medicine, University of Utah, Salt Lake City (R.H.); Division of Cardiology,...