Kroczka, Slawomir
Stepien, Konrad
Witek-Motyl, Izabela
Kwiecinska, Kinga
Kapusta, Eryk
Biedron, Agnieszka
Skorek, Pawel
Skoczen, Szymon http://orcid.org/0000-0001-6867-2717
Article History
Received: 17 August 2020
Accepted: 3 February 2021
First Online: 10 February 2021
Ethics approval and consent to participate
: The study protocol was complied with the Declaration of Helsinki and was approved by the Jagiellonian University Medical College Ethics Committee (Consent No. KBET/131/B/207). All parents, adolescent patients and adult patients signed written informed consent before inclusion in the study.
: Not applicable.
: The authors declare that they have no competing interests.