Department of Otolaryngology-Head and Neck Surgery Medical University of South Carolina Charleston SC USA;
Department of Otorhinolaryngology-Head and Neck Surgery Samsung Medical Center Department of Medical Device Management & Research SAIHST Sungkyunkwan University School of Medicine Seoul South Korea;
Department of Head and Neck Oncology Tata Memorial Centre Mumbai Maharashtra India;
Department of Otolaryngology St.Vincent's Hospital Sydney New South Wales Australia;
Head and Neck Surgery and Otorhinolaryngology Department A.C.Camargo Cancer Center Sao Paulo Brazil;
Department of Otolaryngology-Head and Neck Surgery VU University Medical Center Amsterdam the Netherlands;
King's College London and WHO Collaborating Centre for Oral Cancer London UK;
