1. Department of Internal Medicine University Hospital of Southern Denmark Aabenraa Denmark
2. Internal Medicine Research Unit University Hospital of Southern Denmark, University of Southern Denmark Odense Denmark
3. Department of Clinical Research, Family Focused Healthcare Research Centre (FaCe) University of Southern Denmark Odense Denmark
4. Department of Regional Health Research University of Southern Denmark Odense Denmark
5. Hospital Soenderjylland University Hospital of Southern Denmark Aabenraa Denmark
6. The Danish Center for Expertise in Rheumatology, Danish Hospital for Rheumatic Diseases University Hospital of Southern Denmark Sønderborg Denmark