Góral, Małgorzata http://orcid.org/0000-0003-0665-5828
Pankiewicz, Urszula http://orcid.org/0000-0003-1477-5598
Sujka, Monika http://orcid.org/0000-0001-9306-3913
Kowalski, Radosław http://orcid.org/0000-0003-3063-8710
Article History
Received: 6 September 2018
Accepted: 16 December 2018
First Online: 2 January 2019
Compliance with ethical standards
:
: All authors declare that they have no conflicts of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.