Eckert, Ewelina
Zambrowicz, Aleksandra
Bobak, Łukasz
Zabłocka, Agnieszka
Chrzanowska, Józefa
Trziszka, Tadeusz
Article History
Accepted: 26 April 2018
First Online: 28 April 2018
Compliance with Ethical Standards
:
: All the authors who have taken part in this study declare that they have nothing to disclose regarding competing interests, or funding from industry with respect to this manuscript.