Moiseev, S. A.
Gorodnichev, R. M.
Article History
Received: 6 February 2020
Revised: 25 March 2020
Accepted: 20 June 2020
First Online: 15 March 2021
COMPLIANCE WITH ETHICAL STANDARDS
: All experiments were carried out in compliance with the requirements and principles of biomedical ethics formulated in the 1964 Declaration of Helsinki and approved by the Bioethical Committee of the Velikie Luki State Academy of Physical Culture and Sports (Velikiye Luki).
: The authors declare no obvious and potential conflicts of interest related to the publication of this article.
: Each participant provided a voluntary written informed consent to participate in the research, signed by him/her after explanation of the potential risks, as well as the nature of the upcoming research.