1. Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
2. Unit of Rheumatology, Karolinska University Hospital, Stockholm, Sweden
3. Functional Area Occupational Therapy and Physiotherapy, Allied Health Professionals Function, Karolinska University Hospital, Stockholm, Sweden
4. Department of Neurobiology, Care Science and Society, Division of Physiotherapy, Karolinska Institutet, Stockholm, Sweden
5. Department of Clinical Service, Orthopaedic Clinic, Oslo University Hospital, Oslo, Norway
6. Unit of Internal Medicine, Lund University Hospital, Lund, Sweden