Niezgoda, Anna https://orcid.org/0000-0002-8189-7520
Winnicki, Andrzej
Kosmalski, Tomasz
Kowaliszyn, Bogna
Krysiński, Jerzy
Czajkowski, Rafał
Article History
Received: 11 March 2018
Accepted: 30 December 2018
First Online: 25 January 2019
Ethics approval and consent to participate
: The study protocol has been approved by The Ethics Committee of Nicolaus Copernicus University in Toruń, Ludwik Rydygier Collegium Medicum in Bydgoszcz (approval number KB 597/2016). All study-related procedures can be performed only after obtaining written informed consent from the participants.
: Consent for publication is not applicable.
: The authors declare that they have no competing interests.
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