From the Division of Cardiovascular Medicine, Radcliffe Department of Medicine, John Radcliffe Hospital, University of Oxford Centre for Clinical Magnetic Resonance Research, Oxford, United Kingdom (M.M., S.B., J.J.S., N.P., C.H., S.D., S.G.M., J.E.S., J.M.F., H.A., T.D.K., S.N.); and Departments of Cardiothoracic Surgery (R.D.S., M.P., R.S., S.W.) and Pathology (C.C.) John Radcliffe Hospital, Oxford, United Kingdom. (At 2013-09)
