1. Department of Cardiology, Aarhus University Hospital , Palle Juul-Jensens Boulevard 99, 8200 Aarhus N , Denmark
2. Department of Heart Disease, Haukeland University Hospital , Box 1400, 5021 Bergen , Norway
3. Centre for Interprofessional Collaboration within Emergency Care (CICE), Linnaeus University , 351 95 Växjö , Sweden
4. Department of Cardiology, Herlev and Gentofte University Hospital , Gentofte, Kildegaardsvej 28, 2900 Hellerup , Denmark
5. Department of Clinical Medicine, University of Copenhagen , Blegdamsvej 3B, 2200 Copenhagen N , Denmark
6. Department of Cardiology, Odense University Hospital , J.B Winsløvs Vej 4, 5000 Odense C , Denmark
7. Department of Clinical Research, University of Southern Denmark , J.B Winsløvs Vej 19, 3, 5000 Odense C , Denmark
8. Department of Cardiothoracic and Vascular Surgery, Odense University Hospital , Sdr. Boulevard 29, 5000 Odense C , Denmark
9. Department of Cardiology, Cardiothoracic Surgery and Clinical Nursing Research Unit, Aalborg University Hospital , Hobrovej 18-20, 9000 Aalborg , Denmark
10. Centre for Cardiac, Vascular, Pulmonary and Infectious Diseases, Rigshospitalet, Copenhagen University Hospital , Blegdamsvej 9, 2100 Copenhagen Ø , Denmark