1. Department of Oral Pathology; Lutheran University of Palmas; Tocantins Brazil
2. Department of Health Sciences; Federal University of Tocantins; Palmas Tocantins Brazil
3. Department of Oral Pathology; São Leopoldo Mandic Institute and Research Center; Campinas São Paulo Brazil
4. Department of Oral Pathology; São Paulo State University; Araçatuba São Paulo Brazil