1. From the British Heart Foundation, Cardiovascular Research Centre, University of Glasgow, Glasgow, United Kingdom (S.L.K., D.P., P.J., J.J.V.M.); Department of Cardiology, Gentofte University Hospital, Copenhagen, Denmark (S.L.K.); Department of Cardiovascular Sciences, University of Leicester, Leicester, UK (I.S.); NIHR Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester, UK (I.S.); Department of Cardiology, Porto Medical School, Porto, Portugal (J.S.C.); Heart and Vascular...