1. Department of Rheumatology, Vejle Hospital, Vejle, Denmark
2. Department of Rheumatology, Odense University Hospital, Odense, Denmark
3. Department of Pathology, Vejle Hospital, Vejle, Denmark
4. Department of Pathology, Odense University Hospital, Odense, Denmark
5. Department of Pathology, Roskilde Hospital, Roskilde, Denmark
6. Institute of Clinical Research, University of Southern Denmark, Odense, Denmark