Footnotes

• Contributors TLM and RVC wrote the original draft, with equal contributions. All authors were given an opportunity to review and provide meaningful feedback in creation of the final draft. All authors approved the final draft.

• 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 consent Not required.

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