Funding for this research was provided by:
Medical Research Council (MR/P02646X/1)
University of Birmingham
Text and Data Mining valid from 2019-02-01
Received: 7 January 2019
Accepted: 8 January 2019
First Online: 7 February 2019
Compliance with Ethical Standards
: Christopher Yau declares that he has no conflict of interest. Kieran Campbell declares that he has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.