Funding for this research was provided by:
Health Education England
Text and Data Mining valid from 2019-02-15
Received: 23 October 2017
Accepted: 12 February 2019
First Online: 15 February 2019
Ethics approval and consent to participate
: This study received ethical approval from Cardiff University Postgraduate Medical and Dental Education Ethics Committee (02/10/13). Written consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
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