1. Intensive and Post Operative Unit Østfold Hospital Trust Grålum Norway
2. Faculty of Health and Welfare Østfold University College Halden Norway
3. Faculty of Health Sciences Oslo Metropolitan University Oslo Norway
4. Faculty of Health and Social Sciences University of South‐Eastern Norway Kongsberg Norway
5. Medical Department Østfold Hospital Trust Grålum Norway
6. Faculty of Medicine University of Oslo Oslo Norway
7. Norwegian University of Life Sciences Ås Norway
8. Department of Physiological Nursing University of California San Francisco School of Nursing San Francisco CA USA
9. Division of Emergencies and Critical Care Oslo University Hospital Oslo Norway