1. Division of Emergencies and Critical Care, Department of Postoperative and Intensive Care Nursing Oslo University Hospital Oslo Norway
2. Department of Health and Care Sciences, Faculty of Health Sciences UiT The Arctic University of Norway Tromsø Norway
3. Intensive Care Unit University Hospital of North Norway Tromsø Norway
4. Faculty of Health VID Specialized University Oslo Norway
5. Department of Anesthesia and Intensive Care, Vestre Viken Hospital Trust Baerum Hospital Baerum Norway
6. Department of Research and Development, Division of Emergencies and Critical Care Oslo University Hospital Oslo Norway