Johander, Eerika http://orcid.org/0000-0003-3769-3325
Trach, Jessica
Turunen, Tiina
Garandeau, Claire F.
Salmivalli, Christina
Article History
Received: 21 December 2021
Accepted: 1 April 2022
First Online: 16 April 2022
Compliance with Ethical Standards
:
: The authors declare no competing interests.
: The procedure followed the ethical standards of Finnish National Board of Research Integrity (TENK, National Advisory Board on Research Ethics 2009) and the Finnish Personal Data Act (523/1999). The data collection procedure was consistent with the Finnish Human Subjects Protection regulations. 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. The study has been evaluated and approved by the Ethics Committee for Human Sciences of the University of Turku.
: Informed consent was obtained from all parents/legal guardians of the participants included in the study and assent was obtained from all the participants themselves.