Paszynska, Elzbieta
Tyszkiewicz-Nwafor, Marta
Slopien, Agnieszka
Dmitrzak-Weglarz, Monika
Dutkiewicz, Agata
Grzelak, Teresa
Article History
Received: 5 February 2017
Accepted: 29 January 2018
First Online: 14 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with animals performed by any of the authors. All procedures involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.
: The editors and funders had no role in the study design, data collection and analysis, the decision to publish, or the preparation of this manuscript.