Centre Antoine Lacassagne - Department of Medical Oncology, University Paris-Saclay - Biostatistic and Epidemiology Unit, Gustave Roussy, University of Claude Bernard Lyon 1 - Medical Oncology Department, Centre Antoine Lacassagne, ILC Centre Jean Bernard/Clinique Victor Hugo - Department of Medical Oncology, Institut Català de Oncologia - Department of Medical Oncology, Institut de Cancérologie de Lorraine - Department of Medical Oncology, Clinique des Ormeaux - Department of Medical Oncology, Institut de Cancérologie de l’Ouest Paul Papin - Department of Medical Oncology, Institut de Cancérologie de Montpellier - Department of Medical Oncology, Hôpital Privé le Confluent - Department of Medical Oncology, Institut de Cancérologie de l’Ouest René Gauducheau - Department of Medical Oncology, Centre Antoine Lacassagne - Department of Medical Oncology, Centre François Baclesse - Department of Medical Oncology, Gustave Roussy - Department of Head and Neck Oncology, Centre Hospitalier de Bretagne Sud - Department of Medical Oncology, Hôpital de la Croix Rousse - Department of Medical Oncology, Université de Poitiers - Medical Oncology Department, Institut Claudius Regaud - Department of Medical Oncology, Centre Eugène Marquis - Department of Medical Oncology, Centre Georges-François Leclerc - Department of Medical Oncology, University Paris-Saclay - Biostatistic and Epidemiology Unit, Gustave Roussy, University Paris-Saclay - Biostatistic and Epidemiology Unit, Gustave Roussy, Groupe d'Oncologie Radiothérapie Tête et Cou (GORTEC), Groupe d'Oncologie Radiothérapie Tête et Cou (GORTEC), Charité Comprehensive Cancer Center, Groupe d'Oncologie Radiothérapie Tête et Cou (GORTEC), Autonomous University of Barcelona - Medical Oncology Department and Independent