1. Department of Pathology; Dokuz Eylul University, Faculty of Medicine; Izmir Turkey
2. Department of Radiation Oncology; Dokuz Eylul University Faculty of Medicine; Izmir Turkey
3. Department of Otorhinolaryngology - Head and Neck Surgery; Dokuz Eylul University, Faculty of Medicine; Izmir Turkey
4. Department of Preventive Oncology; Dokuz Eylul University, Institute of Oncology; Izmir Turkey
5. Department of Radiodiagnostics; Dokuz Eylul University, Faculty of Medicine; Izmir Turkey