Erratum

It has come to our attention that the ethics committee statement was erroneously omitted from the above article due to a typesetting error. The following statement should have been included:No ethics committee approval was required in accordance with French regulations (Decree No. 2017-884 of 9 May 2017), as this retrospective study did not involve research directly on human persons. The study complies with the General Data Protection Regulation (EU 2016/679) and was conducted under the French Reference Methodology MR-004 (CNIL Declaration No. 2214506 v 0, dated 24 July 2019). All patients and controls were informed about the use of their medical data and did not object to their participation in the study, in accordance with Good Clinical Practice guidelines, prior to study initiation. The article has been updated accordingly and can be accessed at the following link: https://eurjrheumatol.org/index.php/pub/article/ view/635/657 We apologize for the oversight.