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Authors
Bogusz-Wójcik, Agnieszka https://orcid.org/0000-0003-2235-4259
Kołodziejczyk, Honorata
Klaudel-Dreszler, Maja
Oracz, Grzegorz
Pawłowska, Joanna
Szalecki, Mieczysław
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Funding
Funding for this research was provided by:
Children’s Memorial Health Institute (257/18)
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Article History
Received: 16 June 2020
Accepted: 5 October 2020
First Online: 12 October 2020
Ethics approval and consent to participate
: All research was carried out in accordance with the Ethical Standards involving human participants. The study was approved by the Ethics Committee of The Children’s Memorial Health Institute, Warsaw, Poland, on 10.10.2018 (reference number 33/KBE/2018). Written parental consent was obtained in all cases.
: All participants provided parental written informed consent for publication.
: The authors declare that they have no competing interests.
