Published on in Vol 9, No 4 (2020): April
1 Department of Research, Norwegian Air Ambulance Foundation, Oslo, Norway
2 Norwegian Trauma Registry, Division of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway
3 Faculty of Health Sciences, University of Stavanger, Stavanger, Norway
4 Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
5 Norwegian National Advisory Unit on Trauma, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway
6 Anaesthesia and Critical Care Research Group, Faculty of Health Sciences, University of Tromsø - The Arctic University of Norway, Tromsø, Norway