Góralska, J
Raźny, U
Polus, A
Stancel-Możwiłło, J
Chojnacka, M
Gruca, A
Zdzienicka, A
Dembińska-Kieć, A
Kieć-Wilk, B
Solnica, B
Malczewska-Malec, M
Article History
Received: 2 February 2017
Revised: 22 November 2017
Accepted: 27 November 2017
First Online: 13 December 2017
Competing interests
: The authors declare no conflict of interest.