Warschburger, Petra
Zitzmann, Jana
Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (01EL0607)
Article History
Received: 8 December 2017
Accepted: 28 March 2018
First Online: 10 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Written informed consent was obtained from all individual participants included in the study as well as from their parents. The privacy rights of human subjects were observed. The study was approved by the University Ethics Board prior to survey administration. 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 Helsinki declaration and its later amendments or comparable ethical standards
: Written informed consent was obtained from all individual participants included in the study as well as from their parents. The privacy rights of human subjects were observed