1. Department of Clinical Physiology, Department of Research and Development, Växjö Central Hospital, Växjö, Sweden
2. Clinical Physiology, Skåne University Hospital, Clinical Sciences, Lund University, Lund, Sweden
3. Clinical Physiology, Karolinska Institute, Stockholm, Sweden
4. Department of Emergency Medicine, Odense University Hospital, Odense, Denmark
5. Department of Emergency Medicine, Hospital of South West Jutland, Esbjerg, Denmark
6. Department of Emergency Medicine, Helsingborg Hospital, Helsingborg, Sweden
7. Department of Cardiology, Clinical Sciences, Lund University, Lund, Sweden
8. Emergency Medicine, Skåne University Hospital, Department of Clinical Sciences, Lund University, Lund, Sweden