Kopach, Olga http://orcid.org/0000-0002-3921-3674
Medvediev, Volodymyr
Krotov, Volodymyr
Borisyuk, Anya
Tsymbaliuk, Vitaliy
Voitenko, Nana
Article History
Received: 1 November 2016
Accepted: 1 June 2017
First Online: 19 July 2017
Competing Interests
: The authors declare that they have no competing interests.