1 Department of Descriptive and Clinical Anatomy, The Medical University of Warsaw, 5 Chalubinskiego St., 02004, Warsaw, Poland. tomasz.wojciechowski@wum.edu.pl.
2 Department of Otorhinolaryngology, Head and Neck Surgery, The Medical University of Warsaw, Warsaw, Poland. tomasz.wojciechowski@wum.edu.pl.
3 Department of Otorhinolaryngology-Head and Neck Surgery, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
4 Department of Specialist, Diagnostic and Experimental Medicine (DIMES), Alma Mater Studiorum, Università di Bologna, Bologna, Italy.
5 Department of Otorhinolaryngology-Head and Neck Surgery, Azienda Ospedaliero-Universitaria di Modena, Modena, Italy.