1. NIHR Barts Biomedical Research Centre, William Harvey Research Institute, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK
2. Barts Heart Centre, St Bartholomew’s, Barts Health NHS Trust, London, EC1A 7BE, UK
3. Department of Biomedical Imaging Science, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Clarendon Way, Leeds LS2 9JT
4. Department of Cardiology, University of Liège Hospital, GIGA Cardiovascular Sciences, Heart Valve Clinic, CHU du Sart Tilman, Domaine Universitaire du Sart Tilman, Batiment B35, 4000 Liège, Belgium
5. Gruppo Villa Maria Care and Research, Anthea Hospital, Via Camillo Rosalba, 35, 70124 Bari BA, Italy
6. Bristol Heart Institute, Bristol National Institute of Health Research (NIHR) Biomedical Research Centre, University Hospitals Bristol NHS Trust and University of Bristol, Upper Maudlin Street, Bristol, BS2 8HW, UK