Funding for this research was provided by:
grant MNiSW - Development of young researchers obtained from the Poznan University of Physical Education
State University of Applied Sciences in Nowy Sącz (PB.501-1/2018)
Received: 17 September 2021
Accepted: 31 May 2022
First Online: 16 June 2022
: The project was approved by the Ethics Committee for Human Research at the Poznań University of Medical Sciences (approval no. 173/16 of 4 February 2018) and was performed in accordance with the Declaration of Helsinki. The study participants were informed about the aim and methods used in the study. They were also informed about the possibility to withdraw from the study at any stage of the project and they had insight into their results. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declares that they have no competing interests.