Funding for this research was provided by:
Programme Grants for Applied Research (RP-PG-0611-20008)
Text and Data Mining valid from 2018-06-05
Received: 17 December 2017
Accepted: 25 May 2018
First Online: 5 June 2018
Ethics approval and consent to participate
: The paper reflects the protocol version 1.3 as approved by the National Research Ethics Service (now part of the Health Research Authority). The approval was from Yorkshire & The Humber Leeds East Research Ethics Committee on 13 September 2016 (REC reference 16/YH/0371).
: The authors declare that they have no competing interests.
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