Krzystek-Korpacka, MaĆgorzata
Zawadzki, Marek
Szufnarowski, Krzysztof
Bednarz-Misa, Iwona
Gorska, Sabina http://orcid.org/0000-0002-3206-0695
Witkiewicz, Wojciech
Gamian, Andrzej
Article History
Received: 27 February 2018
Accepted: 21 May 2018
First Online: 14 June 2018
Competing Interests
: The authors declare no competing interests.