[1] Jewish Gen Hosp, Lady Davis Inst Med Res, Montreal, PQ, Canada
[2] Jewish Gen Hosp, Segal Canc Ctr, Montreal, PQ, Canada
[3] McGill Univ, Dept Otolaryngol Head & Neck Surg, Montreal, PQ, Canada
[4] Oulu Univ Hosp, Univ Oulu, Fac Med, Canc & Translat Med Res Unit, Oulu, Finland
[5] Univ Oulu, Oulu Univ Hosp, Med Res Ctr Oulu, Oulu, Finland
[6] Univ Helsinki, Helsinki Univ Hosp, Inst Oral & Maxillofacial Dis, Dept Pathol, Helsinki, Finland
[7] HUSLAB, Helsinki, Finland
[8] Univ Estadual Campinas, Sch Dent, Dept Oral Diag, Sao Paulo, Brazil
[9] Univ Estadual Campinas, Sch Dent, Grad Program Oral Biol, Sao Paulo, Brazil