1. Sydney Head and Neck Cancer Institute, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia2Department of Head and Neck Surgery, Liverpool Hospital, Sydney, New South Wales, Australia3Australian School of Advanced Medicine, Macquarie Universit
2. The Laboratory for Applied Cancer Research, Haifa, Israel6Department of Otolaryngology Rambam Medical Center, Rappaport School of Medicine, the Technion, Israel institute of technology, Haifa, Israel
3. Chang Gung Memorial Hospital, Taoyuan, Taiwan
4. Tata Memorial Hospital, Mumbai, India
5. Hospital A. C. Camargo, São Paulo, Brazil
6. Department of Oral and Cranio-Maxillo and Facial Plastic Surgery University of Cologne, Cologne, Germany
7. Department of Head and Neck Surgery, University of São Paulo Medical School, São Paulo, Brazil
8. Department of Otolaryngology Head and Neck Surgery, Rabin Medical Center, Petach Tikva, Israel
9. Ear, Nose, and Throat Department, University of Brescia, Brescia, Italy
10. Department of Otolaryngology Head and Neck Surgery, Tel Aviv Medical Center, Tel Aviv, Israel
11. Southern Illinois University School of Medicine, Springfield, Illinois
12. Head and Neck Surgery Service, Memorial Sloan Kettering Cancer Center, New York, New York
13. Sydney Head and Neck Cancer Institute, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia2Department of Head and Neck Surgery, Liverpool Hospital, Sydney, New South Wales, Australia