Bajcar, Beata https://orcid.org/0000-0001-5044-4070
Babiak, Jolanta
Funding for this research was provided by:
Wroclaw University of Science and Technology
Article History
First Online: 11 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study.