1. Department of Cardiovascular Sciences and the NIHR Leicester Biomedical Research Centre, Glenfield Hospital University of Leicester Leicester UK
2. University Hospitals of Leicester NHS Trust Leicester UK
3. Department of Cardiology Royal Victoria Hospital Belfast UK
4. Morriston Regional Heart Centre College of Medicine, Swansea University Swansea UK
5. West of Scotland Heart and Lung Centre Golden Jubilee National Hospital Glasgow UK
6. Leeds General Infirmary Leeds UK
7. Dorset Heart Centre Royal Bournemouth Hospital Bournemouth UK
8. Worcestershire Royal Hospital Worcester UK
9. BHF Centre of Research Excellence and NIHR Biomedical Research Centre at King's College London London UK
10. Guy's and St Thomas' Hospital NHS Foundation Trust London UK
11. Barts Heart Centre St Bartholomew's Hospital Barts and the London School of Medicine and Dentistry London UK
12. Liverpool Heart and Chest Hospital Liverpool UK
13. Department of Cardiology Royal Papworth Hospital Cambridge UK
14. Freeman Hospital, Newcastle University Translational and Clinical Research Institute Newcastle UK
15. Salisbury NHS Foundation Trust Salisbury UK
16. Oxford Heart Centre Oxford University Hospitals NHS Foundation Trust Oxford UK
17. Royal Free London NHS Foundation Trust London UK
18. Portsmouth Hospitals University NHS Trust Portsmouth UK
19. Department of Cardiology King's College NHS Foundation Trust London UK
20. Robertson Centre for Biostatistics, Institute of Health and Wellbeing University of Glasgow Glasgow UK
21. School of Population and Global Health, University of Western Australia, Perth, Australia; Department of Cardiovascular Sciences University of Leicester Leicester UK
22. Faculty of Medicine, University of Southampton & Wessex Cardiac Unit University Hospital Southampton NHS Foundation Trust Southampton UK
23. BHF Glasgow Cardiovascular Research Centre University of Glasgow Clydebank UK
24. Golden Jubilee National Hospital Clydebank UK
25. Institute of Cardiovascular Sciences University of Birmingham Birmingham UK