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Authors
Kaczmarek, Urszula http://orcid.org/0000-0002-9692-283X
Wrzyszcz-Kowalczyk, Alina http://orcid.org/0000-0002-2593-2336
Jankowska, Katarzyna http://orcid.org/0000-0002-2806-4861
Prościak, Katarzyna http://orcid.org/0000-0002-2062-2101
Mysiak-Dębska, Monika http://orcid.org/0000-0003-2037-5320
Przywitowska, Iwona http://orcid.org/0000-0003-1716-3503
Makulska, Irena http://orcid.org/0000-0001-8324-274X
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Funding
Funding for this research was provided by:
Uniwersytet Medyczny im. Piastów Slaskich we Wroclawiu (ST-B010.16.044)
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Article History
Received: 8 March 2020
Accepted: 15 July 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: The study protocol was approved by the Bioethics Committee of Wroclaw Medical University (permission no. KB–343/2016) in accordance with the Declaration of Helsinki. Participation in the study was voluntary and anonymous, and the collected data was treated confidentially. Written informed consent was obtained from a parent or guardian for participants under 16 years old.
: Not applicable.
: The authors declare that they have no competing interests related to this study.
