1 From the International Agency for Research on Cancer (V.B., S.T.N., D.S., R.S., B.L.-S.), and INSERM 1052, Centre National de la Recherche Scientifique 5286, Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, and the Department of Medical Oncology, Centre Léon Bérard (P.S.) - all in Lyon, France; the Collaborating Centre for Oral Cancer of the World Health Organization (WHO) (S.W.) and the Faculty of Dentistry, Oral, and Craniofacial Sciences (N.W.J.), King's College London, London, the University of Sheffield School of Health and Related Research, Sheffield (O.M.), and the School of Medicine, Dentistry, and Nursing, University of Glasgow, Glasgow (D.I.C.) - all in the United Kingdom; Center for Health, Innovation, and Policy Foundation and Rollins School of Public Health, Emory University, Atlanta (R.M.); the Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD (A.K.C.); the Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei (T.H.-H.C.); Sefako Makgatho Health Sciences University, Ga-Rankuwa, and the School of Health Systems and Public Health, University of Pretoria, Pretoria - both in South Africa (O.A.A.-Y.); Healis Sekhsaria Institute for Public Health (P.C.G.) and Preventive Oncology, Karkinos Healthcare (R.S.), Navi Mumbai, Rajiv Gandhi Centre for Biotechnology, Thiruvananthapuram (D.A.), Regional Cancer Centre, Trivandrum (K.R.), and the School of Preventive Oncology, Patna (D.N.S.) - all in India; New York University College of Dentistry, New York (A.R.K.); University of Peradeniya, Peradeniya, Sri Lanka (W.M.T.); the Faculty of Dentistry, University of Malaya, Kuala Lumpur (W.M.T., R.B.Z.), and MAHSA (Malaysian Allied Health Sciences Academy) University, Bandar Saujana Putra (R.B.Z.) - both in Malaysia; M.D. Anderson Cancer Center, Houston (A.G.); Griffith University Gold Coast, Southport, QLD, Australia (N.W.J.); University of São Paulo Medical School and A.C. Camargo Cancer Center (L.P.K.), São Paulo, and Piracicaba Dental School, University of Campinas, Campinas (A.R.S.-S.) - all in Brazil; the Department of Maxillofacial Surgery, School of Dentistry, Aichi Gakuin University, Nisshin, Japan (T.N.); WHO, Geneva (V.M.P., F.R.); and the Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand (P.V.).