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Authors
Koukouriki, Evangelia https://orcid.org/0000-0002-0777-9120
Soulis, Sryridon-Georgios
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First Online: 10 February 2020
Compliance with Ethical Standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the University of Ioannina, Human Research Ethics Committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Informed verbal and written consent was obtained for all individual participants included in the study.
: Verbal consent was obtained for all children (9–13 years) then written consent was obtained from their parent or legal guardian. No data was collected in instances that children indicated objection to participation, even in instances of parental consent.
