Liśkiewicz, Arkadiusz D.
Kasprowska, Daniela
Wojakowska, Anna
Polański, Krzysztof
Lewin–Kowalik, Joanna
Kotulska, Katarzyna
Jędrzejowska–Szypułka, Halina
Article History
Received: 3 July 2015
Accepted: 31 December 2015
First Online: 19 February 2016
Competing interests
: The authors declare no competing financial interests.