Szpecht, Dawid
Al-Saad, Salwan R.
Karbowski, Lukasz M.
Kosik, Katarzyna
Kurzawińska, Grażyna
Szymankiewicz, Marta
Drews, Krzysztof
Seremak-Mrozikiewicz, Agnieszka
Funding for this research was provided by:
Uniwersytet Medyczny im. Karola Marcinkowskiego w Poznaniu (502-14-02215338-09691)
Article History
Received: 20 January 2020
Accepted: 27 March 2020
First Online: 13 April 2020
Compliance with ethical standards
:
: Informed consent was obtained from parents.
: The study followed the tenets of the Declaration of Helsinki and was approved by the Bioethics Committee of Poznan University of Medical Sciences (66/14 and 799/16).
: The authors declare no conflict of interest.