Funding for this research was provided by:
Health Technology Assessment Programme (09/22/46)
Text and Data Mining valid from 2018-09-21
Received: 30 May 2018
Accepted: 6 September 2018
First Online: 21 September 2018
Ethics approval and consent to participate
: Ethical approval was granted by the National Research Ethics Committee (REC reference: 10/MRE09/22), the Ministry of Justice, and approval from each local NHS R&D office.All participants provided their informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.
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