Article Text
PDF
Statistics from Altmetric.com
Footnotes
Contributors NV: study concept and design, acquisition and interpretation of data, drafting and revision of manuscript. AJL: interpretation of data, drafting and revision of manuscript. HRM: interpretation of data, drafting and revision of 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.
Patient consent Not required.
Provenance and peer review Not commissioned; externally peer reviewed.
Request Permissions
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.