Komarova, A. S.
Chelovechkova, V. V.
Article History
Received: 25 August 2020
Revised: 21 October 2020
Accepted: 18 December 2020
First Online: 17 May 2021
COMPLIANCE WITH ETHICAL STANDARDS
: The authors declare that they have no conflict of interest. This article does not contain any studies involving animals or human participants performed by any of the authors.