Chebotina, M. Ya.
Article History
Received: 2 April 2021
Revised: 20 May 2021
Accepted: 30 June 2021
First Online: 13 February 2023
COMPLIANCE WITH ETHICAL STANDARDS
: Conflict of interest . The author declares no conflicts of interest.
: Statement of compliance with standards of research involving humans as subjects . All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual participants involved in the study.