Olenych, Igor B. http://orcid.org/0000-0002-6642-0222
Monastyrskii, Liubomyr S.
Boyko, Yaroslav V.
Luchechko, Andriy P.
Kostruba, Andriy M.
Article History
Received: 29 December 2017
Accepted: 21 February 2018
First Online: 27 February 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.