Footnotes

• Twitter @liam126, @danw1310, @dradrianboyle

• Contributors The top five papers were selected as a group. Summaries were wrote by LB, DPW, SR and TA. VN and AAB reviewed the summaries, provided feedback and made edits to revisions.

• 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 None declared.

• Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.

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