1. Department of Oral Surgery and Pathology; School of Dentistry; Universidade Federal de Minas Gerais; Belo Horizonte Brazil
2. Department of Oral and Maxillofacial Surgery; Queen Alexandra Hospital; Portsmouth UK
3. Department of Oral Medicine; Sírio-Libanês Hospital; São Paulo Brazil
4. Department of Oral Diagnosis; Piracicaba Dental School; University of Campinas; Piracicaba Brazil
5. Department of Pathology; School of Dentistry; Federal University of Rio Grande do Sul; Porto Alegre Brazil
6. Faculdade de Medicina; Clinical Oncology; Instituto do Câncer do Estado de São Paulo; Universidade de São Paulo; São Paulo Brazil
7. Department of Histopathology; Queen Alexandra Hospital; Portsmouth UK
8. School of Pharmacy and Biomedical Sciences; University of Portsmouth; Portsmouth UK