1. National Resource Center for Rehabilitation in Rheumatology; Diakonhjemmet Hospital; Oslo; Norway
2. National Resource Center for Rehabilitation in Rheumatology; Diakonhjemmet Hospital, and The Norwegian Knowledge Centre for the Health Services; Oslo; Norway
3. National Resource Center for Rehabilitation in Rheumatology; Diakonhjemmet Hospital, and University of Oslo, Institute of Health and Society; Oslo; Norway
4. Diakonhjemmet Hospital; Oslo; Norway