1. From the Department of Internal Medicine/Division of Cardiology (M.M., A.Z.) and Department of Pathology (S.L.), School of Medicine, University of Texas–Houston Health Science Center and Texas Heart Institute, Houston, Tex; the Department of Internal Medicine and President of the University of Texas Health Science Center at Houston (J.T.W.), Medical Director, Texas Heart Institute, and Chief of Cardiology at St. Luke’s Episcopal Hospital, Houston, Tex; the Department of Internal Medicine/Division of...