Pilarska, Agnieszka http://orcid.org/0000-0001-6938-424X
Sekula, Alicja
Article History
First Online: 14 December 2018
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with APA ethical standards.
: Informed consent was obtained from all individual participants included in the study (parents).