Polyudova, T. V.
Shagdarova, B. Ts.
Korobov, V. P.
Varlamov, V. P.
Article History
Received: 23 August 2018
Revised: 21 November 2018
Accepted: 30 November 2018
First Online: 21 May 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.