1. Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup, Denmark
2. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
3. DANBIO registry, Rigshospitalet, Glostrup, Denmark
4. Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark
5. Department of Rheumatology, Odense University Hospital, Odense, Denmark
6. Department of Rheumatology, Zealand University Hospital, Køge, Denmark
7. Center for Rheumatology and Spine Diseases, Rigshospitalet, Copenhagen, Denmark
8. Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Gentofte, Denmark
9. Department of Radiology, Hvidovre Hospital, Hvidovre, Denmark
10. Department of Radiology, Aarhus University Hospital, Aarhus, Denmark
11. ZiteLab ApS, Frederiksberg, Denmark
12. King Christian X’s Hospital for Rheumatic Diseases, University of Southern Denmark, Gråsten, Denmark