Footnotes

• X @glynelwyn, @ThomasAgoritsas

• Correction notice Since this paper first published, the author affiliations for MM have been updated.

• Contributors GE initiated the article. MM, TA and MAD contributed to the final version, which has been approved for publication by all authors.

• 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 MM is employed by EBSCO Clinical Decisions, which makes various decision support products for both clinicians and patients. MAD and GE are advisers for EBSCO and developed Option Grid patient decision aids, now licensed to EBSCO Clinical Decisions. They receive consulting income from EBSCO Health, and royalties. TA is Chair of the board of the MAGIC Evidence Ecosystem Foundation, a not-for-profit organisation that provides authoring and publication software (MAGICapp) for evidence summaries, guidelines and decision aids.

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