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Correction notice This article has been corrected since it published Online First. The title has been corrected.
Contributors VH and JOD developed the idea for the editorial. VH completed the literature review. Both authors, VH and JOD, contributed to the final version 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.