Received: 16 April 2020
Accepted: 1 September 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: The study was approved by the local ethics committee of the University of Graz, Austria (GZ: 39/59/63 ex 2019/20. The minimum age for participation in the survey was set at 16 years, whereby on the basis of the Austrian guidelines, parental consent was not required. All participants gave electronic informed consent for the participation. The authors assert that all procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008. Participation in the study was anonymous.
: Not applicable.
: The authors declare that they have no competing interests nor conflicts of interests.