Männikkö, Niko https://orcid.org/0000-0003-1292-4852
Demetrovics, Zsolt
Ruotsalainen, Heidi
Myllymäki, Laura
Miettunen, Jouko
Kääriäinen, Maria
Funding for this research was provided by:
Hungarian National Research, Development and Innovation Office (K111938)
Article History
First Online: 31 May 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Parents or guardians received information about the study prior to the data collection in order to decide whether their child takes part in the online survey. Students agreed to participate in the study through the information page.
: The study procedure was conducted in accordance with the Declaration of Helsinki.