Kuznetsova, G. N.
Polyakova, R. S.
Article History
Received: 25 April 2018
Revised: 20 September 2018
Accepted: 5 November 2018
First Online: 2 September 2019
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.