Zagirova, S. V.
Mikhaylov, O. A.
Elsakov, V. V.
Article History
Received: 18 October 2017
Revised: 3 April 2018
Accepted: 28 May 2018
First Online: 17 June 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.