1. Section of Rheumatology, Department of Clinical Sciences, Lund University, Lund, Sweden
2. Spenshult Research and Development Center, Halmstad, Sweden
3. Rheumatology, Capio Movement, Halmstad, Sweden
4. FoU Spenshult, Halmstad, Sweden
5. School of Health and Welfare, Halmstad University, Halmstad, Sweden
6. Primary Health Care Unit, Department of Public Health and Community Medicine, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
7. School of Business, Engineering and Science, Halmstad University, Halmstad, Sweden