Gliwicz, Dorota
Jankowska, Irena
Wierzbicka, Aldona
Miśkiewicz-Chotnicka, Anna
Lisowska, Aleksandra
Walkowiak, Jarosław
Article History
Received: 4 December 2015
Accepted: 25 August 2016
First Online: 17 October 2016
Competing interests
: The authors declare no competing financial interests.