Funding for this research was provided by:
Engineering and Physical Sciences Research Council (EP/L023814/1)
National Institute for Health Research (NIHR Applied Research Collaboration (ARC) West Midlands)
Text and Data Mining valid from 2020-02-03
Received: 19 March 2019
Accepted: 14 January 2020
First Online: 3 February 2020
Ethics approval and consent to participate
: London-Riverside research ethics committee [Reference number: 11\LO\0935]. Consent was written.
: Not applicable.
: The authors declare that they have no competing interests.