Funding for this research was provided by:
Fonds Wetenschappelijk Onderzoek (G.0738.14N)
Text and Data Mining valid from 2019-02-15
Received: 19 October 2018
Accepted: 4 February 2019
First Online: 15 February 2019
Compliance with ethical standards
: The authors declare that they have no competing interest.
: The study was approved by the ethical committee of the KU Leuven and all procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 declaration of Helsinki and its later amendments or comparable ethical standards (Social and Societal Ethics Committee, Faculty Psychology and Educational Sciences, G-2015 01 156).