Kadzikowska-Wrzosek, Romana
Article History
First Online: 6 March 2018
Compliance with Ethical Standards
:
: Author declares that she has no conflict of interest.
: Oral informed consent was obtained from all individual participants included in the study.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study had been approved by the Ethical Committee of the University of Social Sciences and Humanities Faculty in Sopot. Participation in the survey was voluntary, anonymous, and unpaid.