An amendment to this paper has been published and can be accessed via the original article.,
Arthritis research & therapy
Department of Pediatrics

Boeters, D.M. (Debbie M.), & van der Helm-van Mil, A.H.M. (2020). Erratum: Correction to: Response to: "Does ACPA-negative RA consist of subgroups related to sustained DMARD-free remission and serological markers at disease presentation" by Masi and Fleischmann (Arthritis research & therapy (2020) 22 1 (55)). Arthritis research & therapy, 22(1). doi:10.1186/s13075-020-02201-3