1. Department of Otorhinolaryngology & Head and Neck Surgery, University Hospital Center Sestre Milosrdnice, Zagreb University School of Medicine, Zagreb, Croatia
2. Clinical Department of Diagnostic and Interventional Radiology, University Hospital Center Sestre Milosrdnice, Zagreb University School of Dental Medicine, Zagreb, Croatia
3. Department of Otorhinolaryngology & Head and Neck Surgery, University of Mostar School of Medicine, Mostar, Bosnia and Herzegovina
4. Department of Otorhinolaryngology & Head and Neck Surgery, University Hospital Center Sestre Milosrdnice, Zagreb University School of Dental Medicine, Zagreb, Croatia