Text and Data Mining valid from 2018-11-05
Received: 8 June 2018
Accepted: 23 October 2018
First Online: 5 November 2018
Ethics approval and consent to participate
: The data selection procedure was approved by GESIS-Leibniz Institute for the Social Sciences. This study was also given ethical approval by the Ethics Committee of the Democritus University of Thrace.
: The data provided by GESIS-Leibniz Institute for the Social Sciences to the researchers did not include personal information (i.e., name or address). All participants were adults.Not applicable.
: The authors declare that they have no competing interests.
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