Gába, Aleš http://orcid.org/0000-0002-7236-9072
Dygrýn, Jan
Štefelová, Nikola
Rubín, Lukáš
Hron, Karel
Jakubec, Lukáš
Pedišić, Željko
Funding for this research was provided by:
Grantová Agentura České Republiky (18-09188S)
Technická Univerzita v Liberci (SGS-2019-4090)
Article History
Received: 11 May 2020
Accepted: 29 July 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Faculty of Physical Culture, Palacký University Olomouc (reference number: 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 the participation of their children in the study.
: Not applicable.
: The authors declare that they have no competing interests.