Kichanov, Sergey E.
Kozlenko, D. P.
Gorshkova, Yu. E.
Rachkovskaya, G. E.
Zakharevich, G. B.
Savenko, B. N.
Article History
Received: 2 August 2017
Accepted: 8 February 2018
First Online: 26 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.