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Authors
Gutkowska, Krystyna
Wierzbicka, Elzbieta
Madej, Dawid
Czarniecka-Skubina, Ewa
Hamulka, Jadwiga
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Article History
Received: 14 March 2025
Accepted: 27 September 2025
First Online: 21 October 2025
Declarations
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: The study was conducted in accordance with the Declaration of Helsinki, and the study protocol was approved by the Ethics Committee of the Institute of Human Nutrition, Warsaw University of Life Sciences (Resolution No. 18/2022). All parents received written information and provided signed consent for their child to participate in the study.
: Not applicable.
: The authors declare no competing interests.
