Footnotes

• Contributors DWB and DSC both contributed to the planning and writing of the editorial. DSC is guarantor.

• 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.

• Disclaimer These authors take responsibility for all aspects of the reliability and freedom from bias of the data presented and their discussed interpretation. The views expressed in the submitted article are his or her own and not an official position of the institution or funder.

• 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.

• Patient consent for publication Not required.

• Provenance and peer review Commissioned; internally peer reviewed.