Chaban, M. O.
Rozhdestvenska, L. M.
Palchyk, O. V.
Dzyazko, Y. S.
Dzyazko, O. G.
Article History
Received: 5 January 2018
Accepted: 26 March 2018
First Online: 4 April 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.