| Authors: |
Lindström U; Department of Rheumatology and Inflammation Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden., Glintborg B; DANBIO and Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Centre of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark.; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark., Di Giuseppe D; Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden., Nordström D; Department of Medicine, Helsinki University and Helsinki University Hospital, Helsinki, Finland., Aarrestad Provan S; Rheumatology, Diakonhjemmet Hospital, Oslo, Norway., Gudbjornsson B; Centre for Rheumatology Research, University Hospital and Faculty of Medicine, University of Iceland, Reykjavik, Iceland., Askling J; Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden., Lund Hetland M; DANBIO and Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Centre of Head and Orthopedics, Rigshospitalet Glostrup, Glostrup, Denmark.; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark., Aaltonen K; Pharmaceuticals Pricing Board, Ministry of Social Affairs and Health, Helsinki, Finland., Krogh NS; Zitelab Aps, Copenhagen, Denmark., Geirsson AJ; Department of Rheumatology, University Hospital, Reykjavik, Iceland., Jacobsson LTH; Department of Rheumatology and Inflammation Research, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden. |