Footnotes

• X @MDMarikar

• Contributors JR (guarantor)—wrote the guideline review and critical review. DM—provided feedback and advice on writing of the review, helped with sourcing references and relevant case studies.

• 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.