Yastrebova, O. V.
Pyankova, A. A.
Plotnikova, E. G.
Article History
Received: 3 November 2018
Revised: 27 December 2018
Accepted: 20 February 2019
First Online: 8 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.