Funding for this research was provided by:
Ministerie van Economische Zaken
Text and Data Mining valid from 2018-10-04
Received: 15 May 2018
Accepted: 28 August 2018
First Online: 4 October 2018
Compliance with ethical standards
: The authors declare to have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.