Received: 22 May 2021
Accepted: 11 June 2021
First Online: 16 June 2021
: The principles outlined in the Declaration of Helsinki were followed and the ethics committee of the Danube-University Krems as well as the data protection officer of the Danube-University Krems approved the study (EK GZ 41/2018–2021).
: All participating adolescents had to agree to the data protection declaration to start the survey (electronic informed consent).
: Participants gave informed consent for publication.
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