1. Department of Anaesthesiology and Intensive Care Hammerfest Hospital Finnmark Health Trust Hammerfest
2. Department of Anaesthesiology Lapland Central Hospital Rovaniemi Finland
3. Division of Emergency Medical Services University Hospital of North Norway Tromsø Norway
4. Anaesthesia and Critical Care Research Group, Department of Clinical Medicine, Faculty of Health Sciences University of Tromsø Tromsø Norway
5. Norwegian Trauma Competency Service Oslo University Hospital Oslo Norway