1. Department of Cardiology; Aarhus University Hospital; Aarhus Denmark
2. Research Center for Emergency Medicine; Aarhus University Hospital; Aarhus Denmark
3. Institute of Clinical Medicine; Aarhus University; Aarhus Denmark
4. Department of Anaesthesiology; Regional Hospital of Randers; Randers Denmark
5. Department of Internal Medicine; Regional Hospital of Randers; Randers Denmark