Statistics from Altmetric.com
Contributors ECE and CH collated clinical data and drafted the manuscript. WK reviewed and selected appropriate images. ECE produced figures and supplemental video materials. All authors drafted and approved the final 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 by William Whiteley, Edinburgh, UK.
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.