1. Departments of Otorhinolaryngology-Head and Neck Surgery; Rabin Medical Center; Petach Tikva Israel
2. Departments of Medical Statistics; Rabin Medical Center; Petach Tikva Israel
3. Sackler Faculty of Medicine; Tel Aviv University; Tel Aviv Israel
4. Departments of Pathology & Cytology; Rabin Medical Center; Petach Tikva Israel