Przednowek, Krzysztof http://orcid.org/0000-0002-2128-4116
Wiktorowicz, Krzysztof http://orcid.org/0000-0001-8711-1659
Krzeszowski, Tomasz http://orcid.org/0000-0001-7359-4637
Iskra, Janusz
Funding for this research was provided by:
Ministerstwo Nauki i Szkolnictwa Wyższego (N RSA4 00554)
Article History
Received: 22 March 2017
Accepted: 21 May 2018
First Online: 30 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest