Funding for this research was provided by:
Agentschap voor Innovatie door Wetenschap en Technologie (LA-135088)
Text and Data Mining valid from 2018-03-19
Received: 9 January 2018
Accepted: 7 March 2018
First Online: 19 March 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest.