Funding for this research was provided by:
BC SUPPORT Unit (provided support for this project)
Text and Data Mining valid from 2020-02-10
Received: 2 October 2019
Accepted: 23 January 2020
First Online: 10 February 2020
: N/A – this paper is a review paper.
: N/A – there are no individual data.
: The authors declare that they have no competing interests.