Freza, Sylwia http://orcid.org/0000-0001-5520-3911
Funding for this research was provided by:
Polish Ministry of Science and Higher Education (538-8375-B370-16/17, DS-530-8375-D499-17)
Article History
Received: 27 October 2017
Accepted: 24 January 2018
First Online: 6 February 2018
Compliance with ethical standards
:
: The author declares that she has no conflict of interest.
: All ethical guidelines have been adhered.