1. From the British Heart Foundation Centre for Cardiovascular Science (P.D.A., A.H., A.S.V.S., T.A.P., N.A.B., E.J.R.v.B., M.R.D., N.L.M., D.E.N.) and Clinical Research Imaging Centre (M.C.W.), University of Edinburgh, United Kingdom; Department of Cardiology, Odense University Hospital, Denmark (D.M.M., H.M.); Institute of Health and Wellbeing (D.A.M.) and Institute of Clinical Sciences (C.B., G.R.), University of Glasgow, United Kingdom; Norwich Medical School, University of East Anglia, Norwich,...