Górska, Sabina
Sandstrőm, Corine
Wojas-Turek, Justyna
Rossowska, Joanna
Pajtasz-Piasecka, Elżbieta
Brzozowska, Ewa
Gamian, Andrzej
Article History
Received: 20 July 2016
Accepted: 1 November 2016
First Online: 21 November 2016
Competing interests
: The authors declare no competing financial interests.