Jakubec, Lukáš
Gába, Aleš http://orcid.org/0000-0002-7236-9072
Dygrýn, Jan
Rubín, Lukáš
Šimůnek, Adam
Sigmund, Erik
Funding for this research was provided by:
Grantová Agentura České Republiky (18-09188S)
Univerzita Palackého v Olomouci (IGA_FTK_2018_001)
Article History
Received: 24 March 2020
Accepted: 5 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: All parents or guardians provided written consent for the participation of their children in the research. The study was approved by the Institutional Research Ethics Committee at the Faculty of Physical Culture of Palacký University Olomouc (reference no. 19/2017) and was conducted in accordance with the ethical standards of the 1964 Declaration of Helsinki and their official amendments.
: Not applicable.
: The authors declare that they have no competing interests.