1. Department of Oral Surgery and Pathology, School of Dentistry Universidade Federal de Minas Gerais Belo Horizonte MG Brazil
2. Department of Paediatric Dentistry and Orthodontics, School of Dentistry Universidade Federal de Minas Gerais Belo Horizonte MG Brazil
3. Department of Oral and Maxillofacial Surgery and Pathology, School of Dentistry Universidade de Pernambuco Camaragibe PE Brazil
4. Department of Stomatology (Oral Pathology), School of Dentistry Universidade Federal de Goiás Goiânia GO Brazil
5. Diagnostic Centre for Oral Diseases, School of Dentistry Universidade Federal de Pelotas Pelotas RS Brazil
6. Department of Oral Diagnosis and Pathology, School of Dentistry Universidade Federal do Rio de Janeiro Rio de Janeiro RJ Brazil
7. Department of Pathology, Health Sciences Centre Universidade Federal de Santa Catarina Florianópolis SC Brazil