1 DANBIO, The Danish Rheumatologic Biobank and Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Centre for Head and Orthopaedics, Rigshospitalet, Glostrup, Denmark.
2 Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
3 Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Centre for Head and Orthopaedics, Rigshospitalet, Glostrup, Denmark.
4 Department of Clinical Sciences Lund, Rheumatology, Skåne University Hospital, Lund University, Lund, Sweden.
5 Department Rheumatology and Immunology, Inselspital-University Hospital Bern, Bern, Switzerland.
6 Department of Rheumatology, Geneva University Hospital, Geneva, Switzerland.
7 Center for treatment of Rheumatic and Musculoskeletal Diseases (REMEDY), Diakonhjemmet Hospital, Oslo, Norway.