Footnotes

• Contributors TS and MM cochaired the independent Expert Advisory Committee, which collated the evidence and published the recommendations. TS conceived of the submission and wrote the first draft of the manuscript. MM commented on the manuscript and provided a primary care perspective. AM, clinical lead for the NHS England Evidence-Based Interventions programme, sourced the data and drafted the final version of the published recommendations.

• 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 AM, clinical lead for the NHS England Evidence-Based Interventions programme. TS and MM cochairs of the independent Expert Advisory Committee.

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