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.
Handling editor Anna Maria Geretti
Contributors DO conceived the idea behind the survey, carried out the survey, analysed the results and wrote the paper. LM and JH were involved in validating and writing the survey and were involved in reviewing and correcting the final report.
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.
Ethics approval Not required.
Provenance and peer review Not commissioned; internally peer reviewed.