Filip-Stachnik, Aleksandra
Spieszny, Michał
Stanisz, Lidia
Krzysztofik, Michał
Article History
Received: 3 March 2022
Accepted: 17 May 2022
First Online: 25 May 2022
Declarations
:
: The study was conducted according to the guidelines of the Declaration of Helsinki, and approved by Bioethics Committee for Scientific Research, at the Academy of Physical Education in Katowice, Poland (3/2019). Informed consent was obtained from all subjects involved in the study.
: Not applicable.
: The authors declare no conflict of interest.