1. Lund University and Skåne University Hospital Lund Sweden
2. Spenshult Research and Development Centre Halmstad Sweden
3. Lund University Lund Sweden
4. University of Southern Denmark Odense Denmark
5. Danish Hospital for Rheumatic Diseases Sonderborg Denmark
6. Swedish Rheumatism Association Stockholm Sweden
7. Halmstad University and Spenshult Research and Development Centre Halmstad Sweden