1. From the Division of Cardiology, Department of Medicine, Johns Hopkins University, Baltimore, Md (M.S.W., L.C.B.); Cardiovascular Research Institute, Division of Cardiology, University of California, San Francisco, Calif (E.J.W.); Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Boston, Mass (M.S.S.); Cardiovascular Medicine, Harrington-McLaughlin Heart and Vascular Institute, Case Western Reserve University, Cleveland, Ohio (D.I.S.); Division of Hematology, Department of Medicine,...