Piotrowska-Kempisty, Hanna
Ruciński, Marcin
Borys, Sylwia
Kucińska, Małgorzata
Kaczmarek, Mariusz
Zawierucha, Piotr
Wierzchowski, Marcin
Łażewski, Dawid
Murias, Marek
Jodynis-Liebert, Jadwiga
Article History
Received: 29 February 2016
Accepted: 11 August 2016
First Online: 2 September 2016
Competing interests
: The authors declare no competing financial interests.