Funding for this research was provided by:
Economic and Social Research Council (ES/P010237/1)
Text and Data Mining valid from 2020-01-11
Version of Record valid from 2020-01-11
Article History
Received: 16 August 2019
Accepted: 13 December 2019
First Online: 11 January 2020
Compliance with ethical standards
: There are no conflicts of interest.