Article History
Received: 12 April 2018
Accepted: 17 December 2018
First Online: 29 December 2018
Ethics approval and consent to participate
: Ethical approval to carry out this work was obtained from the Coventry Research Ethics Committee (Reference: 09/H1210/88). A participant information sheet was sent to all participants. Written informed consent was obtained from all those attending the nominal group meeting. In line with ethical approvals, verbal informed consent was obtained from all participants and audio recorded at the start of each interview.
: ‘Not applicable’.
: “The authors declare that they have no competing interests”.
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