1. Department of Rheumatology, Aarhus University Hospital, Aarhus, Denmark
2. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
3. Department of Internal Medicine, Lillebaelt Hospital, Vejle, Denmark
4. Department of Clinical Medicine, Randers Regional Hospital, Randers, Denmark
5. Department of Biomedicine, Aarhus University, Aarhus, Denmark
6. Institute of Forensic Medicine, Aarhus University, Aarhus, Denmark
7. Orthopaedic Surgery Research Unit, Aalborg University Hospital, Aalborg, Denmark
8. Department of Orthopaedic Surgery, Lillebaelt Hospital, Vejle, Denmark