1. From the University Hospitals Harrington-McLaughlin Heart and Vascular Institute and Case Cardiovascular Center (M.S., T.M., Y.W., C.S., H.G., and D.I.S.), Case Western Reserve University School of Medicine, Cleveland, Ohio; the Division of Cardiovascular Medicine (K.C.), Brigham and Women’s Hospital, Harvard Medical School, Boston, Mass; and the Institute of Pathology (M.S. and M.E.M.), Case Western Reserve University School of Medicine, Cleveland, Ohio.