[1] Univ Fed Minas Gerais UFMG, Sch Dent, Dept Oral Surg & Pathol, Belo Horizonte, MG, Brazil
[2] Univ Fed Rio de Janeiro UFRJ, Sch Dent, Dept Oral Diag & Pathol, Rio De Janeiro, Brazil
[3] Univ Fed Minas Gerais UFMG, Biol Sci Inst, Dept Pathol, Belo Horizonte, MG, Brazil
[4] Univ Peruana Ceyetano Heredia, Sch Dent, Dept Oral Pathol Oral Med & Oral Surg, Lima, Peru
[5] Univ Autonoma Metropolitana Xochimilco, Hlth Care Dept, Mexico City, DF, Mexico
[6] Univ Campinas UNICAMP, Piracicaba Dent Sch, Dept Oral Diag, Piracicaba, Brazil