1. Imperial College London (Royal Brompton Hospital) London UK
2. King's College London London UK
3. Faculty of MedicineUniversity of Southampton Southampton UK
4. Wessex Cardiology CentreUniversity Hospital Southampton Southampton UK
5. NIHR Leicester Biomedical Research CentreUniversity of Leicester Leicester UK
6. The Newcastle upon Tyne Hospitals NHS Foundation Trust Newcastle upon Tyne UK
7. Wythenshawe Hospital Manchester UK
8. Liverpool Heart and Chest NHS Foundation Trust Liverpool UK
9. Guys and St Thomas' NHS Foundation Trust London UK
10. Blackpool Teaching Hospitals NHS Foundation Trust Lancashire UK
11. University of Leeds and Leeds General Infirmary Leeds UK