Funding for this research was provided by:
Text and Data Mining valid from 2019-03-25
Received: 19 September 2018
Accepted: 14 March 2019
First Online: 25 March 2019
Ethics approval and consent to participate
: The East of Scotland Research Ethics Committee granted ethical approval for this study (ref 14/ES/0025). Written consent was received from all participants and verbally confirmed again at the time of each interview.
: Not applicable.
: The authors declare that they have no competing interests.
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