Funding for this research was provided by:
NIHR Policy Research Programme
Received: 24 April 2018
Accepted: 9 October 2018
First Online: 29 October 2018
Ethics approval and consent to participate
: The study was approved by the University of Bristol Faculty of Medicine and Dentistry Research Ethics Committee (FREC) on 3rd July 2015, reference 21,603. All participants in the focus groups were provided with an information sheet, gave written informed consent and were free to withdraw from the study at any point.
: Not applicable
: The authors declare that they have no competing interests.
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