Statistics from Altmetric.com
HE and MI contributed equally.
Contributors All authors have made a substantial contribution in the development of this paper and have agreed to the submission of this manuscript in its present form.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
Patient consent for publication Parental/guardian consent obtained.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.