Footnotes

• Contributors CS is the nurse lead for outreach services and leads the clinical service, with support from EY and PC. GB was the article lead author. OP and SM provided guidance on content. All authors contributed to the final draft and approved it for publication.

• 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.

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