Bacherikov, Yuriy Yu.
Lytvyn, Peter M.
Okhrimenko, Olga B.
Zhuk, Anton G.
Kurichka, Roman V.
Doroshkevich, Aleksandr S.
Article History
Received: 5 July 2018
Accepted: 31 October 2018
First Online: 26 November 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.