Shpakov, A. O.
Kaznacheyeva, E. V.
Article History
Received: 29 November 2019
Revised: 13 January 2020
Accepted: 21 January 2020
First Online: 13 October 2020
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.