1. International Agency for Research on Cancer; Lyon France
2. CHU Reims, Hôpital Maison Blanche, Laboratoire Biopathologie; Reims France
3. INSERM, UMR-S 1250, Université de Reims Champagne-Ardenne; Reims France
4. Department of Otorhinolaryngology and Head and Neck Surgery; Faculty of Medicine, Sorbonne University and Tenon Hospital, Assistance Publique Hôpitaux de Paris; Paris France
5. Aviano National Cancer Institute; Aviano Italy