Smirnova, O. G.
Shumny, V. K.
Kochetov, A. V.
Article History
Received: 19 April 2018
Revised: 1 February 2019
Accepted: 6 February 2019
First Online: 22 August 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.