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Article History

Received: 7 May 2021

Accepted: 15 November 2021

First Online: 29 November 2021

Declarations

:

: Ethical approval of the University Bioethics Commission for scientific research at J.Kukuczka Academy of Physical Education in Katowice (Poland) No. 7/2017 at 18/05/2017 was granted for conducting the study. The study was approved by the local Bioethics Committee and conformed to the standards set by the Declaration of Helsinki. All patients were informed about the type and aim of the study. Subjects were told that they may withdraw from the study at any time. The patients did not change their leisure physical activity, and medicaments were not modified during the study.

: Not applicable.

: Not applicable.