1. Research Center for Emergency Medicine; Aarhus University Hospital; Aarhus Denmark
2. Department of Anesthesiology; Regional Hospital of Randers; Randers Denmark
3. Clinical Research Unit; Regional Hospital of Randers; Randers Denmark
4. Department of Anesthesiology and Intensive Care Medicine East Section; Aarhus University Hospital; Aarhus Denmark
5. University of Cape Town; Cape Town South Africa
6. Department of Internal Medicine; Regional Hospital of Randers; Randers Denmark
7. Institute of Clinical Medicine; Aarhus University; Aarhus Denmark
8. Department of Anaesthesiology and Intensive Care South Section; Aarhus University Hospital; Aarhus Denmark