Szyszkowska, Agnieszka
Hęclik, Karol
Pawlędzio, Sylwia
Trzybiński, Damian
Woźniak, Krzysztof
Klasek, Antonin
Zarzyka, Iwona http://orcid.org/0000-0001-6780-3308
Article History
Received: 28 September 2018
Accepted: 21 November 2018
First Online: 8 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.