1 Department of Research and Development, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway; Department of Public Health and Interdisciplinary Health Sciences, University of Oslo, Oslo, Norway. Electronic address: renmes@ous-hf.no.
2 Department of Research and Development, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway; Department of Public Health and Interdisciplinary Health Sciences, University of Oslo, Oslo, Norway.
3 Department of Public Health, Oslo Metropolitan University, Oslo, Norway.
4 Department of Research and Development, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway; Department of Anaesthesiology and Intensive Care Medicine, Division of Emergencies and Critical Care, Oslo University Hospital Norway, Oslo, Norway.
5 Department of Public Health and Interdisciplinary Health Sciences, University of Oslo, Oslo, Norway; Department of Postoperative and Intensive Care Nursing, Division of Emergencies and Critical Care, Oslo University Hospital, Oslo, Norway; Lovisenberg Diaconal University College, Oslo, Norway.