Statistics from Altmetric.com
Contributors JKM: conception of idea and writing of manuscript. NPS: conception of idea, writing of manuscript and Risk of Bias 2 tool assessment. NB: writing of 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.
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