1. National Heart Lung Institute Imperial College London UK
2. Cardiovascular Magnetic Resonance Unit Royal Brompton Hospital London UK
3. Department of Medical Statistics London School of Hygiene and Tropical Medicine London UK
4. Department of Echocardiography Royal Brompton Hospital London UK
5. North Middlesex University Hospital and St Bartholomew's Hospital London UK
6. Essex Cardiothoracic Centre Basildon UK
7. Imperial College NHS Trust UK
8. MRC London Institute of Medical Sciences London UK
9. University of East Anglia Norwich UK
10. Duke‐National University of Singapore Singapore