Funding for this research was provided by:
Sheffield Hallam University
Text and Data Mining valid from 2018-07-09
First Online: 9 July 2018
Compliance with Ethical Standards
: Markos Klonizakis, Ahmad Alkhatib, and Geoff Middleton declare no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.