1. Diagnostic Center for Oral Diseases School of Dentistry Universidade Federal de Pelotas Pelotas Brazil
2. Department of Oral Pathology School of Dentistry Universidade Federal do Rio Grande do Sul Porto Alegre Brazil
3. Department of Oral Diagnosis Piracicaba Dental School Universidade de Campinas Piracicaba Brazil
4. Department of Child’s and Adolescent’s Oral Health School of Dentistry Universidade Federal de Minas Gerais Belo Horizonte Brazil