1. 1North West Anglia NHS Foundation Trust, Peterborough, Cambridgeshire, UK
2. 2Imperial College Healthcare NHS Trust, London, UK
3. 3Liverpool John Moores University, Research Institute for Sports and Exercise Science, Liverpool, Merseyside, UK
4. 4University Hospitals Birmingham NHS Trust and Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, West Midlands, UK
5. 5Kings College NHS Foundation Trust, London, UK
6. 6University Hospital South Manchester NHS Foundation Trust, Manchester, UK
7. 7East Suffolk and North Essex NHS Foundation Trust, Essex, UK
8. 8West Suffolk Hospital NHS Foundation Trust, Bury St Edmunds, Suffolk, UK
9. 9University of Leeds, Leeds, UK
10. 10Lincolnshire Heart Centre, United Lincoln Hospitals NHS Trust, Lincoln, Lincolnshire, UK
11. 11University Hospitals Bristol and Weston NHS Foundation Trust, Bristol, UK
12. 12St Bartholomew’s Hospital, London, UK
13. 13InHealth Group, High Wycombe, Buckinghamshire, UK
14. 14University Hospitals of the North Midlands, Stoke-on-Trent, Staffordshire, UK
15. 15Leeds Teaching Hospitals, Leeds, UK
16. 16Queen Alexandra Hospital, Portsmouth, UK
17. 17East and North Hertfordshire NHS Trust, Stevenage, Hertfordshire, UK
18. 18Royal United Hospitals Bath NHS Foundation Trust, Bath, UK