Footnotes

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• Contributors FJ reviewed and collected the evidence cited in this manuscript, drafted the manuscript, critically reviewed the manuscript, and revised the manuscript. VP and DH reviewed and collected the evidence cited in this manuscript and critically reviewed the manuscript. DAW conceived of the manuscript and planned the approach, reviewed and collected the evidence cited in this manuscript, critically reviewed the manuscript, revised the manuscript, provided critical feedback throughout the drafting of the manuscript, and supervised the overall preparation and submission of the manuscript. DAW is the guarantor of the manuscript and is responsible for the overall content. No other contributors were involved in the production of this 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; internally peer reviewed.

• Supplemental material This content has been supplied by the author(s). It has not been vetted by BMJ Publishing Group Limited (BMJ) and may not have been peer-reviewed. Any opinions or recommendations discussed are solely those of the author(s) and are not endorsed by BMJ. BMJ disclaims all liability and responsibility arising from any reliance placed on the content. Where the content includes any translated material, BMJ does not warrant the accuracy and reliability of the translations (including but not limited to local regulations, clinical guidelines, terminology, drug names and drug dosages), and is not responsible for any error and/or omissions arising from translation and adaptation or otherwise.