Footnotes

• Twitter @siddharth_dugar, @SarasVallabhMD

• Contributors Both study authors were involved in the literature review, writing and editing of the draft of the manuscript and provided the final approval.

• 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 and public involvement Patients and/or the public were not involved in the design, conduct, reporting or dissemination plans of this research.

• Patient consent for publication Not required.

• Provenance and peer review Commissioned; internally peer reviewed.