Jastrzebska, Katarzyna
Felcyn, Edyta
Kozak, Maciej
Szybowicz, Miroslaw
Buchwald, Tomasz
Pietralik, Zuzanna
Jesionowski, Teofil
Mackiewicz, Andrzej
Dams-Kozlowska, Hanna
Article History
Received: 22 December 2014
Accepted: 31 May 2016
First Online: 17 June 2016
Competing interests
: The authors declare no competing financial interests.