Masherov, E. L.
Article History
Received: 29 July 2020
Revised: 20 August 2020
Accepted: 21 August 2020
First Online: 15 October 2021
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interests.</i> The author declares that he has no conflict of interest.
: This work does not contain any studies involving animals or human subjects performed by the author.