1. Department of Intensive Care Aarhus University Hospital Aarhus Denmark
2. Institute of Public Health, Section of Nursing Aarhus University Aarhus Denmark
3. Department of Anaesthesiology and Intensive Care University Hospital of Southern Denmark Kolding Denmark
4. Department of Regional Health Research University of Southern Denmark Odense Denmark
5. Research Centre for Health and Welfare Technology VIA University College Aarhus Denmark
6. Department of Anaesthesiology and Intensive Care Vejle Hospital, University Hospital of Southern Denmark Denmark
7. Bergen University Bergen Norway