1. Department of Stomatology and Oral Pathology, School of Dentistry Federal University of Ceará Fortaleza Ceará Brazil
2. Laboratory of Human and Medical Genetics, Graduate Program in Genetics and Molecular Biology Federal University of Pará Brazil
3. Department of Human Cytogenetics, School of Biological Sciences Federal University of Para Belém Pará Brazil
4. Department of Oral Pathology, School of Dentistry Federal University of Ceará Fortaleza Ceará Brazil