1. Department of Otorhinolaryngology Head and Neck Surgery, Rabin Medical Center, Petah Tikva 4941492, Israel
2. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 4941492, Israel
3. Institute of Oncology, Davidoff Center, Rabin Medical Center, Petah Tikva 4941492, Israel
4. Department of Head and Neck Surgery, MD Anderson Cancer Center, Houston, TX 77054, USA