Text and Data Mining valid from 2019-05-06
Received: 19 February 2019
Accepted: 15 April 2019
First Online: 6 May 2019
Ethics approval and consent to participate
: The ethics approval were obtained from the NHS Research Ethics Committee (through the Integrated Research Application System (IRAS) [REC reference: 13/WS/0087; IRAS project ID: 117529] prior to commencing data collection. Written consent was obtained from all participants in the study.
: The authors declare that they have no competing interests.
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