Fludra, Małgorzata http://orcid.org/0000-0002-5992-2005
Kobosko, Joanna http://orcid.org/0000-0001-8939-4381
Gos, Elżbieta http://orcid.org/0000-0003-3173-3867
Karendys-Łuszcz, Karina
Skarżyński, Henryk http://orcid.org/0000-0001-7141-9851
Article History
Received: 2 December 2019
Accepted: 31 January 2020
First Online: 26 February 2020
Conflict of interest
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with theethical standards of the institutional research committee (at the Institute of Physiology and Pathology of Hearing) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.