1. From the Cardiovascular Sciences Research Centre, St George’s University of London, UK (M.P., H.R., E.R.B., S.S.); Department of Cardiology, University Hospital Lewisham, London, UK (M.P., H.R., N.S., A.K.); and Department of Histopathology, National Heart and Lung Institute, Imperial College, London, United Kingdom (S.V.D., M.N.S.).