Wysocka, Magdalena
Gruba, Natalia
Grzywa, Renata
Giełdoń, Artur
Bąchor, Remigiusz
Brzozowski, Krzysztof
Sieńczyk, Marcin
Dieter, Jenne
Szewczuk, Zbigniew
Rolka, Krzysztof
Lesner, Adam
Article History
Received: 4 September 2015
Accepted: 23 February 2016
First Online: 9 March 2016
Competing interests
: The authors declare no competing financial interests.