1. Department of Cardiac Imaging, Barts Heart Centre, St Bartholomew’s Hospital, King George V Building, West Smithfield, London EC1A 7BE, UK
2. King’s College Hospital NHS Trust Foundation, Denmark Hill, London SE5 9RS, UK
3. Royal Free London NHS Foundation Trust, Pond St, London NW3 2QG, UK
4. Imperial College London, Imperial College, Healthcare NHS Trust, South Kensington, London SW7 2BX, UK
5. Institute for Cardiovascular Sciences, University College London, 62 Huntley St, London WC1E 6DD, UK
6. National Heart, Lung and Blood Institute, National Institutes of Health, Medical Signal and Imaging Processing Program, 10 Center Dr, Bethesda, MD 20814, USA