Michalak, Paula
Soszynska-Jozwiak, Marta
Biala, Ewa
Moss, Walter N.
Kesy, Julita
Szutkowska, Barbara
Lenartowicz, Elzbieta
Kierzek, Ryszard
Kierzek, Elzbieta
Article History
Received: 1 October 2018
Accepted: 12 February 2019
First Online: 7 March 2019
Competing Interests
: The authors declare no competing interests.