Statistics from Altmetric.com
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.
Contributors TGP and RP contributed to the design of the commentary, drafting and revising the manuscript for submission, approved the final version and are accountable for all aspects of the work.
Competing interests None declared.
Provenance and peer review Commissioned; internally peer reviewed.