Nowacki, Dorian
Martynowicz, Helena
Skoczyńska, Anna
Wojakowska, Anna
Turczyn, Barbara
Bobak, Łukasz
Trziszka, Tadeusz
Szuba, Andrzej
Article History
Received: 16 February 2017
Accepted: 1 September 2017
First Online: 28 September 2017
Competing Interests
: The authors declare that they have no competing interests.