Ogińska-Bulik, Nina
Michalska, Paulina http://orcid.org/0000-0003-2179-0307
Article History
First Online: 12 February 2019
Compliance with Ethical Standards
:
: Nina Oginska‑Bulik and Paulina Michalska 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. This study was approved by Ethics Committee of University of Łódź. The reference number of the approval: 4/KBBN-UŁ/I/2016.
: Informed consent was obtained from all individual participants included in the study.