1. From the Division of Cardiology (A.Y.T., S.Z., M.O., J.S., M.C., H.L., S.-F.L., P.-S.C.), Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, Calif; Krannert Institute of Cardiology, Departments of Medicine (M.O., J.S., S.-F.L., P.-S.C.) and Neurology (L.S.C.), Indiana University School of Medicine, Indianapolis, Ind; and Division of Anatomical Pathology (M.C.F.), Department of Pathology and Laboratory Medicine, David Geffen School of Medicine, UCLA, Los Angeles, Calif.