Funding for this research was provided by:
National Institute for Health Research
Northumberland, Tyne and Wear NHS Foundation Trust
Text and Data Mining valid from 2019-01-18
Received: 6 July 2018
Accepted: 27 December 2018
First Online: 18 January 2019
Ethics approval and consent to participate
: Ethical approval was granted by a NHS Research Ethics Committee (Yorkshire & the Humber - Leeds West Research Ethics Committee; REC reference: 13/YH/0292).
: Not applicable.
: The authors declare that they have no competing interests.
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