1. From the Manchester Heart Centre, Manchester Royal Infirmary, Manchester, UK (J.I.); Keele Cardiovascular Research Group, Keele University, Stoke-on-Trent, UK (C.S.K., M.A.M.); Department of Cardiology, Royal Stoke Hospital, University Hospital North Midlands NHS Trust, UK (C.S.K., M.G., M.A.M.); Farr Institute, University of Manchester, Manchester, UK (E.K., M.A.M.); Department of Cardiology, The James Cook University Hospital, Middlesbrough, UK (M.A.d.B.); Department of Cardiology, Queen Elizabeth...