1. Department of Intensive Cardiac Therapy, Institute of Cardiology, Poland
2. Cardiovascular Department, Humanitas Research Hospital, Italy
3. Department of Cardiology and Medical Intensive Care, Augustinerinnen Hospital, Germany
4. Cardiology Department, Hospital Universitario 12 de Octubre and Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Madrid, Spain and Centro Nacional de Investigaciones Cardiovasculares (CNIC), Spain
5. Emergency Department, Marques de Valdecilla Hospital, Spain
6. Department of Emergency Medicine and Critical Care Clinical Investigation Center, University Hospital of Besançon, France
7. Department of Cardiology, University of Liège Hospital, Belgium
8. Cardiovascular Research Institute, University Hospital of Basel, Switzerland
9. Universitätsmedizin Mainz, Zentrum für Kardiologie, Germany
10. Emergency Department, S Andrea Hospital, Italy
11. Department of Cardiology, Soroka University Medical Center, Israel
12. Department of Cardiology, Antwerp University Hospital Belgium