Funding for this research was provided by:
Fonds Wetenschappelijk Onderzoek (G017914N)
Text and Data Mining valid from 2019-03-20
Received: 20 June 2018
Accepted: 21 February 2019
First Online: 20 March 2019
Ethics approval and consent to participate
: The Belgian Privacy Commission gave permission for the time-use data collection (RR 65/2012). Participants were fully informed about the study in the invitation letter.
: Not applicable
: The authors declare that they have no competing interests.
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