1. Cardiovascular Division; BHF Center of Excellence; King's College London; St Thomas' Hospital; London; United Kingdom
2. Department of Cardiology; Sussex Cardiac Center; Brighton and Sussex University Hospitals; Brighton; United Kingdom
3. Department of Cardiology; St George's Hospital; London; United Kingdom
4. Department of Cardiology; King's College Hospital; London; United Kingdom
5. Department of Cardiology; Liverpool Heart and Chest Hospital; Liverpool; United Kingdom
6. Department of Cardiology; John Radcliffe Hospital; Oxford; United Kingdom
7. Department of Cardiology; Manchester Royal Infirmary; Manchester; United Kingdom
8. Department of Cardiology; Royal Victoria Hospital; Belfast; United Kingdom
9. Department of Cardiology; Queen Elizabeth Hospital; Birmingham; United Kingdom
10. Department of Cardiology; James Cook University Hospital; Middlesbrough; United Kingdom
11. Department of Cardiology; Blackpool Victoria Hospital; Blackpool; United Kingdom
12. Department of Cardiology; University Hospital of North Staffordshire; Stoke; United Kingdom
13. Department of Cardiology; Papworth Hospital; Cambridge; United Kingdom
14. Department of Cardiology; University Hospital South Manchester; Manchester; United Kingdom
15. Department of Cardiology; The Heart Hospital; London; United Kingdom
16. Department of Cardiology; St Thomas' Hospital; London; United Kingdom