Gordienko, O. A.
Article History
Received: 6 August 2021
Revised: 5 October 2021
Accepted: 1 December 2021
First Online: 16 May 2022
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest.</i> The author declares that he has no conflict of interest.
: <i>Statement on the welfare of humans or animals</i>. This article does not contain any studies involving humans or animals performed by the author.