1. Royal Brompton Hospital Royal Brompton and Harefield Hospitals Part of Guy's and St Thomas' NHS Foundation Trust London UK
2. National Heart and Lung Institute Imperial College London London UK
3. National and Kapodistrian University of Athens Athens Greece
4. Cardiology, ASST Spedali Civili, Department of Medical and Surgical Specialties, Radiological Sciences and Public Health University of Brescia Brescia Italy
5. Volgograd State Medical University Regional Cardiology Centre Volgograd Russia
6. University of Belgrade Faculty of Medicine Belgrade Serbia
7. Department of Cardiology, Ziekenhuis Oost‐Limburg, Genk, Belgium; Biomedical Research Institute, Faculty of Medicine and Life Sciences Hasselt University Diepenbeek Belgium
8. National & Kapodistrian University of Athens, School of Medicine Attikon University Hospital Athens Athens Greece
9. St George's Hospitals, NHS Trust University of London London UK
10. University of Warwick Coventry UK
11. Emergency Institute for Cardiovascular Diseases ‘Prof. C.C. Iliescu’, Bucharest, Romania University of Medicine Carol Davila Bucharest Romania