1. Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Worsley Building, Level 11, Clarendon Way, Leeds, UK
2. Cardiology Department, York Teaching Hospital NHS Foundation Trust, Wigginton Road, York, UK
3. Department of Medicine, Terrence Donnelly Heart Centre, St. Michael's Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario, Canada
4. Centro Nacional de Investigaciones Cardiovasculares (CNIC), Calle de Melchor Fernandez Almagro, 3, s/n, Madrid, Spain
5. Instituto de investigación i+12 and Cardiology Department, Hospital Universitario 12 de Octubre, s/n, Madrid, Spain
6. Facultad de Medicina, Universidad Complutense de Madrid, Plaza de Ramon y Cajal, s/n, Madrid, Spain
7. Cardiology Department, Flinders Medical Centre and Flinders University, Flinders Drive, Bedford Park, Adelaide, SA, Australia
8. Cardiology Department, Concord Repatriation General Hospital, Hospital Road, Concord, Sydney, NSW, Australia
9. Cardiology Department, The Mid Yorkshire Hospitals NHS Trust, Aberford Road, Wakefield, UK
10. Peter Munk Cardiac Centre and Heart and Stroke Richard Lewar Centre, University of Toronto, David Naylor Building, 6 Queen's Park Cres W, Toronto, Ontario, Canada
11. Research Department of Clinical Epidemiology, The Farr Institute of Health Informatics Research, University College London, 222 Euston Road, Kings Cross, London, UK
12. The National Institute for Health Research, Biomedical Research Centre, University College London Hospitals NHS Foundation Trust, University College London, 170 Tottenham Court Road, London, UK
13. Cardiology Department, Barts Health Centre, Queen Mary University, W Smithfield, London, UK
14. Centre for Cardiovascular Science, University of Edinburgh, Old College South Bridge, Edinburgh, UK