Funding for this research was provided by:
Engineering and Physical Sciences Research Council (EP/P510890/1, EP/M017702/1)
British Council/CSC UK-China Joint Research and Innovation Partnership Fund (Ref UK-276080305)
Text and Data Mining valid from 2020-03-12
Received: 16 December 2019
Accepted: 9 March 2020
First Online: 12 March 2020
Availability of data and materials
: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.
: The authors declare that they have no competing interests.