Pomortsev, A. A.
Boldyrev, S. V.
Lyalina, E. V.
Article History
Received: 30 March 2018
Revised: 18 April 2018
Accepted: 3 May 2018
First Online: 17 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.