Krylova, A. E.
Chaplygina, A. V.
Vekshin, N. L.
Article History
Received: 4 September 2019
Revised: 4 September 2019
Accepted: 5 September 2019
First Online: 27 April 2020
COMPLIANCE WITH ETHICAL STANDARDS
: The authors state that there is no conflict of interest. This article does not contain any studies with the use of humans and animals as objects of research.