1. Department of Otolaryngology, Head and Neck Surgery, Rambam Medical Center, Haifa and Israel Institute of Technology, Technion, Haifa, Israel
2. Department of Radiotherapy & Oncology, Maulana Azad Medical College and Lok Nayak Hospital, New Delhi, India
3. Department of Pathology, Mount Sinai Medical Center, New York, New York, USA
4. Department of Otolaryngology, The Mount Sinai School of Medicine, New York, New York, USA
5. Department of Oral and Maxillofacial Surgery, School of Stomatology, The Fourth Military Medical University, Xi'an, P. R. China
6. Department of Otolaryngology Head and Neck Surgery, Odense University Hospital, Odense, Denmark
7. Department of Oral and Maxillofacial Surgery, Klinikum Rechts der Isar, Technische Universität München, München, Germany
8. Department of Otolaryngology Head and Neck Surgery, Tel Aviv Medical Center, Tel Aviv, Israel
9. Department of Cranio-Maxillofacial Surgery, Hannover Medical School, Hannover, Germany
10. Maxillo-Facial Surgery, University-Hospital of Parma, Parma, Italy
11. Head and Neck Surgery Service, Memorial Sloan-Kettering Cancer Center, New York, New York, USA