Głowacka-Mrotek, Iwona http://orcid.org/0000-0001-8572-2835
Sowa, Magdalena
Nowikiewicz, Tomasz
Siedlecki, Zygmunt
Hagner, Wojciech
Zegarski, Wojciech
Article History
Received: 15 August 2017
Accepted: 10 January 2018
First Online: 24 January 2018
Compliance with ethical standards
:
: All authors declare no financial or other relationships with commercial entities whose products or services are related to the subject matter in the manuscript, or sociopolitical issues that can cause conflict.