Polishchuk, Dmytro
Nedelko, Natalia
Solopan, Sergii
Ĺšlawska-Waniewska, Anna
Zamorskyi, Vladyslav
Tovstolytkin, Alexandr http://orcid.org/0000-0002-4852-6605
Belous, Anatolii
Article History
Received: 27 December 2017
Accepted: 20 February 2018
First Online: 1 March 2018
Competing interests
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.