1. Department of Anaesthetics and Critical Care, Harefield Hospital, Royal Brompton and Hospitals, Guy’s and St Thomas NHS Foundation Trust , London , UK
2. School of Cardiovascular Medicine and Sciences, King’s College London , London , UK
3. BHF Centre for Cardiovascular Science, University of Edinburgh , 49 Little France Crescent, Edinburgh EH16 4SB , UK
4. Division of Cardiology, University of Siena , Siena , Italy
5. Department of Cardiology, Medical University of Lodz , Lodz , Poland
6. Department of Cardiology, University Heart Center, University Hospital Zurich, University of Zurich , Zurich , Switzerland
7. Institute for Biomedical Engineering, University and ETH Zurich , Zurich , Switzerland
8. ProCardio Center for Innovation, Department of Cardiology, Oslo University Hospital, Rikshospitalet, Postboks 4950 Nydalen , 0424 Oslo , Norway
9. Norway and Faculty of Medicine, Huddinge Karolinska Institute and Cardiovascular Division, Karolinska University Hospital , Stockholm , Sweden
10. Department of Cardiology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Cardiovascular Sciences , Amsterdam , The Netherlands
11. Department of Cardiac Surgery, University Medical Centre Maribor , Maribor , Slovenia
12. Department of Cardiology, University Medical Centre Ljubljana , Ljubljana , Slovenia
13. Department of Cardiology, Emergency Institute for Cardiovascular Diseases, ‘Carol Davila’ University of Medicine and Pharmacy , Bucharest , Romania
14. Department of Medicine and Surgery, University of Milano-Bicocca , Milan , Italy
15. Department of Cardiology, Istituto Auxologico Italiano, IRCCS , Milan , Italy