Footnotes

• Contributors HG and AS led the organisation of the learning sessions. MN, HG and AS designed the survey. MN collected and analysed the data, and wrote the first draft of the manuscript. All authors contributed to editing the manuscript and approved it in its final form.

• 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.

• Provenance and peer review Not commissioned; internally peer reviewed.