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Article History

Received: 28 February 2019

Accepted: 1 April 2020

First Online: 23 April 2020

Ethics approval and consent to participate

: Details of the ethical approval for all of the UK schools participating in the study (<i>N</i> = 15).University of Cambridge: Psychology Research Ethics Committee application number: 2012.44. This approval was accepted under reciprocal arrangements by the following: University of Birmingham, University of Bristol, University of Glasgow, *Hull Yorks Medical School, University of Plymouth.Details of the ethical approval granted in other participating institutions:*Brighton and Sussex Medical School, University of Sussex: BSMS Research Governance and Ethics Committee (RGEG) application number: 13/163/MCD.Cardiff University School of Medicine Research Ethics Committee application number: 12/57.University of Exeter Medical School Ethics Committee application number: 13/009/033.King’s College, University of London, Biomedical Sciences, Dentistry, Medicine and Natural & Mathematical Sciences Research Ethics Subcommittee application number: BDM 13/14–14.University of Leicester Medicine and Biological Sciences College Ethics Committee application number: jmh9-678b.University of Liverpool School of Medicine Education Research Ethics Committee application number: 20130 6139.University of Manchester Research Ethics Committees application number:14127.University of Nottingham Faculty of Medicine and Health Sciences, Research Ethics Committee application number: G10102013 SoM PC.University of Swansea College of Human and Health Sciences and College of Medicine Research Ethics Committee application number:11113.At the outset of the online survey students were required to confirm that they had read the information materials relating to the study and to give their written consent to take part. Participation was voluntary.

: Not applicable.

: The authors declare that they have no competing interests.