1. Department of Infectious Diseases, Medical Clinic, University Hospital of North Norway, Tromso, Norway
2. Institute for Clinical Medicine, University of Tromso – The Arctic University of Norway, Tromso, Norway
3. Department of Clinical Research, Hospital of Southern Norway, Kristiansand, Norway
4. Faculty of Health & Sport Sciences, University of Agder, Kristiansand, Norway
5. Department of Internal Medicine, Hospital of Southern Norway, Kristiansand, Norway
6. Department of Mental Health and Substance Abuse, University Hospital of North Norway, Tromso, Norway
7. Department of Psychosomatic and Trauma, Hospital of Southern Norway, Kristiansand, Norway