Funding for this research was provided by:
St. George's, University of London
Text and Data Mining valid from 2018-08-18
First Online: 18 August 2018
Compliance with Ethical Standards
: Una Fairbrother, Elliot Kidd, Tanya Malagamuwa and Andrew Walley declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.