Grąt, Michał
Stypułkowski, Jan
Patkowski, Waldemar
Bik, Emil
Krasnodębski, Maciej
Wronka, Karolina M.
Lewandowski, Zbigniew
Wasilewicz, Michał
Grąt, Karolina
Masior, Łukasz
Ligocka, Joanna
Krawczyk, Marek
Article History
Received: 5 August 2016
Accepted: 29 November 2016
First Online: 6 January 2017
Competing interests
: The authors declare no competing financial interests.