1. Oral Diagnosis Department, Semiology and Oral Pathology Piracicaba Dental School University of Campinas Piracicaba Brazil
2. Oral Pathology School of Dentistry Federal University of Rio de Janeiro Rio de Janeiro Brazil
3. Service of Oral Pathology João de Barros Barreto University Hospital Federal University of Pará Belém Brazil
4. Department of Oral Surgery and Pathology Universidade Federal de Minas Gerais Belo Horizonte Brazil
5. Department of Oral Pathology and Oral Biology School of Dentistry Faculty of Health Sciences University of Pretoria Pretoria South Africa
6. Pathology Department Hospital Herrera‐Llerandi Guatemala City Guatemala
7. Boldrini Children’s Centre Campinas Brazil
8. School of Dentistry University of Pernambuco Recife Brazil
9. Medical School Clinics Hospital University of São Paulo São Paulo Brazil
10. Unit of Oral and Maxillofacial Pathology School of Clinical Dentistry University of Sheffield Sheffield UK