Funding for this research was provided by:
Agentschap Innoveren en Ondernemen (140984)
Text and Data Mining valid from 2019-08-14
Accepted: 29 July 2019
First Online: 14 August 2019
Compliance with ethical standards
: Authors declare that they have no conflict of interest (financial or non-financial).
: This research does not involve human participants and/or animals.
: Not necessary, the research does not involve human participants