[1] Med Univ Warsaw, Dept Otorhinolaryngol Head & Neck Surg, Ul Banacha 1a, PL-02097 Warsaw, Poland
[2] Med Univ Warsaw, Students Sci Res Grp, Dept Otorhinolaryngol Head & Neck Surg, Warsaw, Poland
[3] Med Univ Warsaw, Doctoral Sch, Warsaw, Poland
[4] Maria Grzegorzewska Univ, Inst Psychol, Warsaw, Poland