1. Department of Rehabilitation Science and Health Technology, Oslo Metropolitan University, Norway
2. Department of Pain Management and Research, Division of Emergencies and Critical Care, Oslo University Hospital, Norway
3. Faculty of Health Studies, VID Specialized University, Norway
4. Department of Obstetrics and Gynecology, Oslo University Hospital, Norway
5. Department of Dermatology, Oslo University Hospital, Norway
6. Unit for Psychosomatics/CL Outpatient Clinic for Adults, Acute Psychiatric Department, Oslo University Hospital, Norway