Kalinowski, Paweł http://orcid.org/0000-0002-8582-0424
Różyło-Kalinowska, Ingrid http://orcid.org/0000-0001-5162-1382
Piskórz, Magdalena http://orcid.org/0000-0003-4092-1122
Bojakowska-Komsta, Urszula http://orcid.org/0000-0002-1018-4929
Article History
Received: 12 March 2019
Accepted: 29 April 2019
First Online: 22 May 2019
Ethics approval and consent to participate
: The study was prospective and all patients were informed about its purpose and planned procedures then signed an informed consent. The approval of the local bioethics committee was obtained (KE-0254/107/2017).Informed consent was obtained from all individual participants included in the study.All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable
: The authors declare that they have no competing interests.
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