Correspondence on 'Performance of the 2019 EULAR/ACR classification criteria for systemic lupus erythematosus in early disease, across sexes and ethnicities'
Ann Rheum Dis. 2023 Jan;82(1):e15.
doi: 10.1136/annrheumdis-2020-219296.
Epub 2020 Dec 14.
1 Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden.
2 Behavioural Sciences and Learning, Swedish Institute for Disability Research, Linköping, Sweden.
3 Department of Biomedical and Clinical Sciences, Division of Inflammation and Infection/Clinical Immunology and Transfusion Medicine, Linköping University, Linköping, Sweden.
4 Department of Biomedical and Clinical Sciences, Division of Inflammation and Infection/Rheumatology, Linköping University, Linköping, Sweden christopher.sjowall@liu.se.