1. Department of Medicine I, Academic Teaching Hospital Feldkirch, Feldkirch, Austria
2. Vorarlberg Institute for Vascular Investigation and Treatment (VIVIT), Feldkirch, Austria
3. Private University of the Principality of Liechtenstein, Triesen, Liechtenstein
4. Drexel University College of Medicine, Philadelphia, PA, USA
5. Division of Angiology, Swiss Cardiovascular Center, University Hospital Bern, Switzerland
6. Department of Cardiology, Ullevål, Oslo University Hospital, Oslo, Norway
7. Institute of Clinical Sciences, Søsterhjemmet, University of Oslo, Oslo, Norway
8. Lady Davis Carmel Medical Center, Haifa, Israel
9. Technion-Israel Institute of Technology, Ruth and Bruce Rappaport School of Medicine, Haifa, Israel
10. Division of Cardiology, Department of Medicine, Copenhagen University Hospital, Copenhagen, Denmark
11. Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
12. Department of Medical Science, University of Ferrara, Ferrara, Italy
13. Department of Medicine, Cardiology Division, Karolinska Institutet, Karolinska University Hospital Solna, Stockholm, Sweden
14. Department of Medical Sciences, Irccs San Raffaele Hospital, Rome, Italy
15. Cardiology Pasing, Munich, Germany and University of the Saarland, Homburg, Saar, Germany
16. Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
17. Institute of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
18. Department of Emergency Medicine, Holbaek Hospital, University of Copenhagen, Denmark
19. Department of Pharmacology, School of Medicine, Universidad Complutense, CIBERCV, Madrid, Spain