1. Department of Cardiology, Guys and St Thomas’ NHS Foundation Trust, London, UK
2. Department of Cardiac Magnetic Resonance, Guys and St Thomas’ NHS Foundation Trust, London, UK
3. Department of Cardiology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, US
4. Department of Radiology, Guys and St Thomas’ NHS Foundation Trust, London, UK
5. Division of Cardiology, Department of Medicine, Loma Linda University Health, California, US