[1] University of Southern Denmark,Department of Regional Health Research
[2] University Hospital of Southern Denmark,Danish Hospital for Rheumatic Diseases
[3] Rigshospitalet,The DANBIO Registry
[4] Spenshult Research and Development Centre,Section of Rheumatology, Department of Clinical Sciences Lund
[5] Lund University,Research Unit of General Practice, Department of Public Health
[6] University of Southern Denmark,Research Unit for General Practice
[7] Aarhus University,DRIVEN
[8] University of Southern Denmark, Danish Centre for Motivational and Behaviour Science, Department of Sports Science and Clinical Biomechanics
[9] University Hospital of Southern Denmark,Sygehus Sønderjylland