1. Department of Medicine, Karolinska Institutet, Solna, Sweden
2. Functional Area Occupational Therapy and Physiotherapy, Allied Health Professionals Function, Karolinska University Hospital, Stockholm, Sweden
3. Department of Neurobiology, Care Science and Society, Division of Physiotherapy, Karolinska Institutet, Stockholm, Sweden
4. Unit of Rheumatology, Karolinska University Hospital, Stockholm, Sweden