Funding for this research was provided by:
Fonds Wetenschappelijk Onderzoek (G.0335.14N)
Text and Data Mining valid from 2018-06-15
First Online: 15 June 2018
Compliance with Ethical Standards
: The authors declare that they have no potential conflict of interest.
: The study was approved by the Ethics Committee for the Social Sciences and Humanities of the KU Leuven.
: This research involved human participants, who gave informed consent to participate.