Article Text
PDF
Statistics from Altmetric.com
Footnotes
Handling editor Mary Frances McMullin.
Contributors All authors contributed to the conceivement and design of the study and to the collection, analysis and interpretation of data. The manuscript was written by FSF and MP and subsequently approved by all authors.
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 for publication 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.