1. Oral Pathology Section Department of Oral Diagnosis Piracicaba Dental School University of Campinas (UNICAMP) Piracicaba Brazil
2. Oral Oncology Center School of Dentistry São Paulo State University (UNESP) Araçatuba Brazil
3. Centro Universitário Ages Paripiranga Brazil
4. Laboratory of Morphology and Experimental Pathology Institute of Technology and Research Tiradentes University (UNIT) Aracaju Brazil
5. Department of Dentistry Federal University of Sergipe (UFS) Aracaju Brazil