Footnotes

• X @RacheRichardson, @dwan_kerry

• Contributors RR drafted the article. AK and KD contributed to writing and editing the article. All three authors approved the final version.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests RR and AK are employees of Cochrane. KD is a former employee of Cochrane.

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