Text and Data Mining valid from 2019-04-11
Received: 5 October 2018
Accepted: 18 March 2019
First Online: 11 April 2019
Ethics approval and consent to participate
: The research was approved and sponsored by the local research and innovation department. Ethics approval was sought but not deemed necessary, as per United Kingdom Health Research Authority Integrated Research Application System guidelines. Informed consent was obtained from all individual participants included in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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