1. Department of Otolaryngology Rambam Medical Center and Faculty of Medicine, the Technion; Israel Institute of Technology; Haifa Israel
2. Department of Nuclear Medicine and Molecular Imaging Center; Chang Gung Memorial Hospital; Taoyuan Taiwan
3. Department of Surgery; Tata Memorial Hospital; Mumbai India
4. Head and Neck Surgery and Otorhinolaryngology Department; Hospital AC Camargo; Sao Paulo Brazil
5. Sydney Head and Neck Cancer Institute; Royal Prince Alfred Hospital; Sydney Australia
6. Department of Oral and Cranio-Maxillo and Facial Plastic Surgery; University of Cologne; Cologne Germany
7. Department of Otolaryngology; University of Brescia; Brescia Italy
8. Head and Neck Surgery Service; Memorial Sloan Kettering Cancer Center; New York New York