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,...