Funding for this research was provided by:
Research for Patient Benefit Programme (PB-PG-0613-31071)
Text and Data Mining valid from 2018-10-19
Received: 9 May 2018
Accepted: 24 September 2018
First Online: 19 October 2018
Ethics approval and consent to participate
: The study received ethical approval from National Research Ethics Services (15/EM/0314) Committee East Midlands - Nottingham 1. Written informed consent was obtained from participants.
: Not applicable.
: The authors declare that they have no competing interests.
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