Passekov, V. P.
Article History
Received: 29 November 2021
Revised: 27 December 2021
Accepted: 28 December 2021
First Online: 25 June 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 animals.</i> This article does not contain any studies involving animals performed by the author.
: <i>Statement of compliance with standards of research involving humans as subjects.</i> This article does not contain any studies involving humans as subjects of research.