1. Department of Oral Surgery and Pathology; School of Dentistry; Universidade Federal de Minas Gerais; Belo Horizonte Brazil
2. Diagnostic Centre for Oral Diseases; School of Dentistry; Universidade Federal de Pelotas; Pelotas Brazil
3. Department of Paediatric Dentistry and Orthodontics; School of Dentistry; Universidade Federal de Minas Gerais; Belo Horizonte Brazil
4. Department of Oral and Maxillofacial Surgery and Pathology; School of Dentistry; Universidade de Pernambuco; Camaragibe Brazil
5. Department of Oral Pathology; School of Dentistry; Universidade de São Paulo; São Paulo Brazil
6. Postgraduate Program in Oral Pathology; School of Dentistry; Universidade Federal do Rio Grande do Norte; Natal Brazil
7. Department of Oral Diagnosis and Pathology; School of Dentistry; Universidade Federal do Rio de Janeiro; Rio de Janeiro Brazil
8. Department of Oral Medicine and Pathology; School of Dentistry; Universidade Federal Fluminense; Niterói Brazil
9. Department of Stomatology (Oral Pathology); School of Dentistry; Universidade Federal de Goiás; Goiânia Brazil
10. Department of Oral Pathology; School of Dentistry; Universidade Federal do Rio Grande do Sul; Porto Alegre Brazil
11. Department of Pathology; Health Sciences Centre; Universidade Federal de Santa Catarina; Florianópolis Brazil
12. Department of Oral and Maxillofacial Pathology; School of Dentistry; Centro Universitário do Pará; Belém Brazil