1. Department of Otorhinolaryngology Head and Neck Surgery; Meir Medical Center; Kfar Saba Israel
2. Department of Otorhinolaryngology Head and Neck Surgery; Davidoff Center, Rabin Medical Center, Petach Tikva, Israel and Sackler Faculty of Medicine, Tel Aviv University; Tel Aviv Israel
3. Department of Oncology; Davidoff Center, Rabin Medical Center, Petach Tikva, Israel and Sackler Faculty of Medicine, Tel Aviv University; Tel Aviv Israel