Footnotes

• Twitter @DrJPeriard, @ThijsEijsvogels, @ephysiol

• Contributors JDP drafted the editorial with TMHE, HAMD and SR providing input during revision. JDP created the figure with TMHE, HAMD and SR providing input. All authors approved the final version.

• 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 for publication Not required.

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