Sigmundová, Dagmar http://orcid.org/0000-0002-2603-8117
Sigmund, Erik
Tesler, Riki
Ng, Kwok W.
Hamrik, Zdenek
Mathisen, Frida Kathrine Sofie
Inchley, Jo
Bucksch, Jens
Funding for this research was provided by:
Grantová Agentura České Republiky (17-12579S)
Ministerstvo Školství, Mládeže a Tělovýchovy (CZ.02.1.01/0.0/0.0/16_025/0007294)
Article History
Received: 20 March 2019
Accepted: 14 June 2019
First Online: 5 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: Ethical approvals for the study were obtained at a national or regional level; each country obtained approval to conduct the survey from an ethics review board or a country-specific equivalent regulatory body.
: Participation in the study was anonymous and voluntary. Active or passive consent was sought from school administrators, parents and children, as per national human participant requirements. All the survey procedures for each data collection cycle were documented and can be downloaded from ExternalRef removed.