1. Oral Pathology Section, School of Dentistry Pontifical Catholic University of Minas Gerais (PUC Minas) Belo Horizonte Brazil
2. Graduate Program in Dentistry, School of Dentistry Pontifical Catholic University of Minas Gerais (PUC Minas) Belo Horizonte Brazil
3. Faculdade Pitágoras de Ipatinga Ipatinga Brasil