1. Oral Surgery and Pathology Department João de Barros Barreto University Hospital/Federal University of Pará Belém Brazil
2. Health Care Department Universidad Autónoma Metropolitana Xochimilco Mexico City Mexico
3. Department of Oral Diagnosis Piracicaba Dental School University of Campinas Piracicaba Brazil
4. Department of Oral Surgery and Pathology School of Dentistry Universidade Federal de Minas Gerais Belo Horizonte Brazil
5. Department of Oral Pathology and Oral Biology School of Dentistry University of Pretoria Pretoria South Africa
6. Department of Pathology Queen Alexandra Hospital Portsmouth UK
7. Department of Oral and Maxillofacial Surgery Queen Alexandra Hospital Portsmouth UK