1 Professor, Oral Pathology Department, João de Barros Barreto University Hospital/Universidade Federal do Pará, Belém, Pará, Brazil.
2 Graduate student, Oral Pathology Department, João de Barros Barreto University Hospital/Universidade Federal do Pará, Belém, Pará, Brazil.
3 Graduate student, Oral Pathology Department, João de Barros Barreto University Hospital/Universidade Federal do Pará, Belém, Pará, Brazil. Electronic address: [email protected].
4 Graduate student, Department of Surgery and Diagnosis, Universidade Estadual Paulista - UNESP- Araraquara, São Paulo, Brazil.
5 Undergraduate student, Oral Pathology Department, João de Barros Barreto University Hospital/ Universidade Federal do Pará, Belém, Pará, Brazil.
6 Professor, Department of Pathology, Biological Sciences Institute, Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Brazil.