1. Copenhagen Center for Arthritis Research, Center for Rheumatology and Spine Diseases, Rigshospitalet, Glostrup, Denmark
2. Crescendo Bioscience, Inc, South San Francisco, CA, USA
3. Department of Rheumatology, Slagelse Hospital, Slagelse, Denmark
4. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
5. Clinic of Rheumatology, Private Practice, Roskilde, Denmark
6. Department of Infectious Diseases, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark
7. Center for Rheumatology and Spine Diseases, Copenhagen University Hospital Gentofte, Gentofte, Denmark
8. Gildhøj Private Hospital, Brøndby, Denmark
9. Department of Diagnostic Radiology, Copenhagen University Hospital Herlev, Herlev, Denmark