1. Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds , Leeds , UK
2. Leeds Institute for Data Analytics, University of Leeds , Leeds , UK
3. Department of Cardiology, Leeds Teaching Hospitals NHS Trust , Leeds , UK
4. Hull York Medical School, University of York , York , UK
5. Academic Cardiovascular Unit, South Tees NHS Foundation Trust, James Cook University Hospital , Middlesbrough , UK
6. Department of Medical Sciences, Cardiology and Uppsala Clinical Research Centre, Uppsala University , Uppsala , Sweden
7. Linköping University Hospital , Linköping , Sweden
8. Lund University , Sweden
9. Hospital de Santa Cruz, Centro Hospitalar de Lisboa Ocidental , Portugal
10. Department of Cardiology, Landspitali University Hospital , Reykjavik , Iceland
11. Department of Health Sciences, Faculty of Medicine, University of Iceland , Reykjavik , Iceland
12. Tartu University Hospital , Estonia
13. South Buda Center Hospital, Szent Imre Teaching Hospital , Hungary
14. György Gottsegen National Cardiovascular Institute , Hungary
15. University of Medicine and Pharmacy Carol Davila, Emergency Institute for Cardiovascular Diseases Prof Dr C C Iliescu , Bucharest , Romania
16. Hospitais da Universidade de Coimbra , Portugal
17. University and Emergency Hospital , Bucharest , Romania
18. National Heart Centre Singapore , Singapore
19. ANMCO Research Centre, Heart Care Foundation , 50121 Florence , Italy
20. Division of Cardiovascular Medicine, NIHR Oxford Biomedical Research Centre, University of Oxford , Oxford , UK