Krasnova, A. N.
Polshina, T. N.
Article History
Received: 2 September 2019
Revised: 10 December 2019
Accepted: 19 March 2020
First Online: 26 January 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.