Funding for this research was provided by:
Fonds Wetenschappelijk Onderzoek (11F2315N)
Text and Data Mining valid from 2019-02-06
Accepted: 17 January 2019
First Online: 6 February 2019
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: Greet Van de Perre is funded by the Fund for Scientific Research (FWO), Flanders [Grant No. 11F2315N]. This work is partially funded by the European Commission 7th Framework Program as a part of the project DREAM [Grant No. 611391].