[1] Ctr Jean Perrin, Dept Oncol Med, 58 Rue Montalembert, F-63011 Clermont Ferrand, France
[2] Ctr Jean Perrin, Dept Radiotherapie, 58 Rue Montalembert, F-63011 Clermont Ferrand, France
[3] CHU Estaing, Serv Chirurg Maxillofaciale, Pl Lucie Aubrac, F-63000 Clermont Ferrand, France
[4] CHU Gabriel Montpied, Serv ORL, 58 Rue Montalembert, F-63000 Clermont Ferrand, France
[5] Ctr Jean Perrin, Div Rech Clin, 58 Rue Montalembert, F-63011 Clermont Ferrand, France
[6] Univ Clermont Auvergne, F-63000 Clermont Ferrand, France
[7] INSERM, U1240, IMoST, F-63000 Clermont Ferrand, France