1. Division of Medicine, Department of Acute Medicine Oslo University Hospital Oslo Norway
2. Department of Behavioural Medicine, Faculty of Medicine Institute of Basic Medical Sciences, University of Oslo Oslo Norway
3. Centre for Patient Centered Heart and Lung Research, Department of Cardiothoracic Surgery Oslo University Hospital Oslo Norway
4. Department of Health and Care Sciences, Faculty of Health Sciences Arctic University of Norway, UiT Tromsø Norway
5. Oslo Centre for Biostatistics and Epidemiology Oslo University Hospital Oslo Norway
6. Psychosomatic and CL Psychiatry, Division of Mental Health and Addiction Oslo University Hospital Oslo Norway
7. Department of Anesthesiology, Faculty of Medicine Institute of Clinical Medicine, University of Oslo Oslo Norway
8. Department of Anaesthesiology Oslo University Hospital Oslo Norway
9. Department of MEVU Lovisenberg Diaconal University College Oslo Norway
10. Institute for Studies of the Medical Profession Oslo Norway
11. Department of Health Sciences in Gjøvik Norwegian University of Science and Technology Gjøvik Norway