1. Cardiology Department, Royal Brompton and Harefield NHS Foundation Trust, London, UK
2. London Health Sciences Centre, University of Western Ontario, London, ON, Canada
3. Centre for Healthcare Innovation and Delivery Science, Department of Population Health, New York University Grossman School of Medicine, New York, NY, USA
4. Wessex Institute, University of Southampton, Southampton, UK
5. Nuffield Department of Primary Care Health Sciences, Medical Sciences Division, University of Oxford, Oxford, UK
6. Invasive Cardiac Physiology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
7. National Heart and Lung Institute, Imperial College London, London, UK
8. Cardiology Department, Liverpool Heart and Chest Hospital, Liverpool, UK
9. Cardiology Department, Brighton and Sussex University Hospital NHS Trust, Brighton, UK
10. King’s Clinical Trials Unit at King's Health Partners, King’s College London, Institute of Psychiatry, London, UK
11. Department of Cardiovascular Sciences, University of Leicester and National Institute for Health Research Leicester Biomedical Research Centre, Glenfield Hospital, Leicester, UK