Andreeva, N. A.
Melnikov, V. V.
Snarskaya, D. D.
Article History
Received: 8 April 2019
Revised: 23 December 2019
Accepted: 30 January 2020
First Online: 27 July 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.