Hannula, Elina https://orcid.org/0009-0005-1588-8908
Sormunen, Kati
Hakkarainen, Kai
Korhonen, Tiina
Funding for this research was provided by:
University of Helsinki
Article History
Received: 29 June 2024
Accepted: 19 March 2025
First Online: 9 April 2025
Declarations
:
: There are no competing financial or non-financial interests.
: All the participants and their parents signed informed consent forms to participate the study. Participating schools were approved to take part via research consent by their municipality authorities.