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Authors
Demetriou, Yolanda https://orcid.org/0000-0001-6781-1295
Bachner, Joachim
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Funding
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (DE 2680/3-1)
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Article History
Received: 16 November 2018
Accepted: 15 April 2019
First Online: 6 May 2019
Ethics approval and consent to participate
: The ethics committee of the Technical University of Munich approved the study (155/16 S). All trial participants (students) and their parents provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
