Morasiewicz, Piotr
Dejnek, Maciej
Orzechowski, Wiktor
Urbański, Wiktor
Kulej, Mirosław
Dragan, Szymon Łukasz
Dragan, Szymon Feliks
Pawik, Łukasz
Article History
Received: 27 June 2018
Accepted: 24 March 2019
First Online: 11 April 2019
Ethics approval and consent to participate
: Informed consent,written, was obtained from all participants. The underage consent for the study was signed by their guardians. The study was approved by the Wroclaw Medical University Bioethics Commission.
: Not applicable.
: The authors declare that they have no competing interests.
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