Footnotes

• Handling editor Tore K Kvien

• Twitter @ElenaNikiUK

• Contributors EN conceived the idea for this article and produced a first draft. All coauthors critically reviewed and revised the first draft producing subsequent drafts. All authors approved the final version of the article before submission.

• Competing interests All authors have supported the Annals of Rheumatic Diseases (ARD) in social media activities relating to dissemination of educational and scientific content. EN, PS, AA, MC and MJ are part of ARD’s social media advisory team.

• Provenance and peer review Not commissioned; externally peer reviewed.