Kuluev, B. R.
Shvets, D. Yu.
Golovanov, Ya. M.
Probatova, N. S.
Article History
Received: 30 December 2017
Revised: 12 February 2019
Accepted: 25 February 2019
First Online: 1 July 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.