1 From the Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston (J.H.W.); and Cardiology Section, VA Eastern Colorado Health Care System/University of Colorado School of Medicine, Denver (T.M.M.).
2 From the Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston (J.H.W.); and Cardiology Section, VA Eastern Colorado Health Care System/University of Colorado School of Medicine, Denver (T.M.M.). [email protected].