Luczak, Magdalena
Formanowicz, Dorota
Marczak, Łukasz
Suszyńska-Zajczyk, Joanna
Pawliczak, Elżbieta
Wanic-Kossowska, Maria
Stobiecki, Maciej
Article History
Received: 15 February 2016
Accepted: 8 August 2016
First Online: 7 September 2016
Competing interests
: The authors declare no competing financial interests.