Salamonowicz-Bodzioch, Małgorzata http://orcid.org/0000-0003-1736-3177
Frączkiewicz, Jowita
Czyżewski, Krzysztof
Zając-Spychała, Olga
Gorczyńska, Ewa
Wróbel, Grażyna
Kazanowska, Bernarda
Sęga-Pondel, Dorota
Węcławek-Tompol, Jadwiga
Ussowicz, Marek
Kałwak, Krzysztof
Wysocki, Mariusz
Dziedzic, Magdalena
Wachowiak, Jacek
Zaucha-Prażmo, Agnieszka
Kowalczyk, Jerzy
Goździk, Jolanta
Styczyński, Jan
Article History
Received: 16 May 2021
Accepted: 23 September 2021
First Online: 21 October 2021
Declarations
:
: The study was approved by the Bioethical Committee in Bydgoszcz (no. KB 499/2014) (included in supplementary files).
: A written informed consent was obtained from all parents of participants.
: Parents of participants signed an informed consent regarding publishing their data and photographs.
: All authors declare no competing interests.