Kędzierska-Matysek, Monika
Florek, Mariusz http://orcid.org/0000-0003-0941-1714
Wolanciuk, Anna
Barłowska, Joanna
Litwińczuk, Zygmunt
Article History
Received: 26 January 2018
Accepted: 19 March 2018
First Online: 4 April 2018
Compliance with Ethical Standards
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The authors declare that they have no conflict of interest.