Footnotes

• Twitter @ShannonRuzycki

• Contributors SMR conceived and designed the idea for this manuscript, wrote and revised drafts of the manuscript, and is accountable for all aspects of the accuracy and integrity of this work. A Brown contributed to the design of this manuscript and revised drafts of the manuscript. A Bharwani revised drafts of the manuscript. GF contributed to the conception, design, writing, and editing of the manuscript.

• 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.