Michailovska, Katerina http://orcid.org/0000-0001-6088-7123
Mynko, Viktor
Indutnyi, Ivan
Shepeliavyi, Petro
Article History
Received: 7 December 2017
Accepted: 7 May 2018
First Online: 15 May 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.