Dygrýn, Jan
Medrano, María
Molina-Garcia, Pablo
Rubín, Lukáš
Jakubec, Lukáš
Janda, David
Gába, Aleš http://orcid.org/0000-0002-7236-9072
Funding for this research was provided by:
Grantová Agentura České Republiky (18-09188S, 22-02392S)
Ministerstvo Školství, Mládeže a Tělovýchovy (CZ.02.2.69/0.0/0.0/18_053/0016919)
Article History
Received: 29 March 2021
Accepted: 1 June 2021
First Online: 12 June 2021
Declarations
:
: Ethical approval was obtained from the Ethics Committee of the Faculty of Physical Culture, Palacký University Olomouc (Reference No.: 19/2017). The study was conducted in accordance with the ethical principles of the 1964 Declaration of Helsinki and its later amendments. Parents or guardians provided a written consent for their children’s participation in the study.
: The authors declare that they have no competing interests.