Bubnov, Rostyslav V.
Babenko, Lidiia P.
Lazarenko, Liudmyla M.
Mokrozub, Victoria V.
Spivak, Mykola Ya.
Article History
Received: 13 February 2018
Accepted: 12 March 2018
First Online: 13 April 2018
Compliance with ethical standards
:
: Not applicable.
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.