[1] Univ Fed Uberlandia, Lab Oral & Maxillofacial Pathol, Sch Dent, BR-38405900 Uberlandia, MG, Brazil
[2] Univ Fed Uberlandia, Inst Biomed Sci, BR-38405900 Uberlandia, MG, Brazil
[3] Brazilian Natl Canc Inst, Sect Head & Neck Surg, Rio De Janeiro, Brazil
[4] Brazilian Natl Canc Inst, Div Pathol, Rio De Janeiro, Brazil
[5] Univ Fed Triangulo Mineiro, Dept Pathol, Uberlandia, MG, Brazil