1. Department of Oral and Maxillofacial Pathology; Federal University of Uberlândia; Uberlândia MG Brazil
2. Department of Morphology; Biomedical Science Institute; Federal University of Uberlândia; Uberlândia MG Brazil
3. Division of Pathology; Catholic University of Rio de Janeiro; Rio de Janeiro RJ Brazil
4. Division of Head and Neck Surgery; Brazilian National Institute of Cancer and Post Graduate School of Medicine; Catholic University of Rio de Janeiro; Rio de Janeiro RJ Brazil
5. Department of Pathology; Federal University of Minas Gerais; Belo Horizonte MG Brazil
6. Department of Oral Surgery and Pathology; Federal University of Minas Gerais; Belo Horizonte MG Brazil
7. Department of Oral Pathology; University of São Paulo; São Paulo SP Brazil
8. Department of Oral and Maxillofacial Pathology; Federal University of Bahia; Salvador BA Brazil