1. Department of Cardiovascular Sciences, University of Leicester, UK
2. NIHR Leicester Cardiovascular Biomedical Research Unit, University Hospitals of Leicester NHS Trust, Glenfield Hospital, Leicester, UK
3. Multidisciplinary Cardiovascular Research Centre & The Division of Cardiovascular and Diabetes Research, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, UK
4. Royal Brompton and Harefield Foundation Trust, Harefield Hospital, Middlesex, UK
5. University Hospital Southampton NHS Foundation Trust and University of Southampton, UK
6. Kettering General Hospital, Kettering, UK
7. Royal Derby Hospital, Derby, UK
8. Norfolk and Norwich University Hospitals NHS Foundation Trust and Norwich Medical School, University of East Anglia, Norwich, UK
9. The Heart Hospital, University College London Hospitals, London, UK