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 Substantial contributions to conception and design, acquisition of data or analysis and interpretation of data: JME, DM, AT, LM, JFH. Drafting the article or revising it critically for important intellectual content: JME, DM, PB, GL, LM. Final approval of the version to be published: all authors.
Competing interests None.
Patient consent Obtained.
Ethics approval Regular clinical practice in the setting of a referral centre. Absence of intervention.
Provenance and peer review Not commissioned; externally peer reviewed.