1. 1International Agency for Research on Cancer, 69372 Lyon Cedex 08, France
2. 2CHU Reims, Hôpital Maison Blanche, Laboratoire Biopathologie, 51092 Reims, France
3. 3INSERM, UMR-S 1250, 51092 Reims, France
4. 4Faculté de Médecine, Université de Reims Champagne-Ardenne, 51095 Reims, France
5. 5Department of Otorhinolaryngology and Head and Neck Surgery, Faculty of Medicine, Sorbonne University, Paris, France
6. 6Tenon Hospital, Assistance Publique Hôpitaux de Paris, Paris, France
7. 7Aviano Cancer Centre, Via Franco Gallini 2, 33081 Aviano (PN), Italy