1. UCL Institute of Experimental Medicine, Royal Free London , Gower Street, London , UK
2. University College London, Institute of Cardiovascular Science , Gower Street, London WC1E 6BT , UK
3. NIHR University College London Hospitals Biomedical Research Center , London , UK
4. Barts Heart Center, The Cardiovascular Magnetic Resonance Imaging Unit and The Inherited Cardiovascular Diseases Unit, St Bartholomew’s Hospital , West Smithfield, London , UK
5. Cardiovascular Magnetic Resonance Unit, King’s College London , UK
6. Department of Nephrology, Royal Free London NHS Foundation Trust , Pond Street, London , UK
7. Department of Perioperative Medicine, St Bartholomew’s Hospital, Barts Health NHS Trust, West Smithfield , London EC1A 7BE , UK
8. Department of Cardiac Anesthesiology and Intensive Care Medicine, German Heart Center , Augustenburger Platz 1, 13353 Berlin , Germany
9. Department of Cardiac Anesthesiology and Intensive Care Medicine, Charite Berlin , Augustenburger Platz 1, 13353 Berlin , Germany
10. Outcomes Research Consortium, Department of Outcomes Research, The Cleveland Clinic , 9500 Euclid Ave. P77, Cleveland, OH 44195 , USA
11. MRC Unit of Lifelong Health and Ageing , 1 – 19 Torrington Place, London WC1E 7HB , UK
12. Department of Cardiology, Royal Free Hospital NHS Foundation Trust , Pond Street, Hampstead, London NW3 2QG , UK