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Contributors This commentary was drafted, edited and finalised by both authors.
Disclaimer The authors alone are responsible for the views expressed in this article and they do not necessarily represent the views, decisions or policies of the institutions with which they are affiliated.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
Data sharing statement There is no data analysis supporting this paper.
Correction notice This article has been corrected since it was published Online First. The wording has been slightly altered to clarify that this article is a teaser for a future issue. Also, references 1 and 2 have been corrected.
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