1. Faculty of Pharmacy Dentistry and Nursing, Postgraduate Program in Dentistry Federal University of Ceara Fortaleza Brazil
2. Department of Statistics and Applied Mathematics Federal University of Ceara Fortaleza Brazil
3. Department of Clinical Dentistry, Faculty of Pharmacy Dentistry and Nursing Federal University of Ceara Fortaleza Brazil
4. School of Medicine Christus University Center Fortaleza Brazil
5. Center for Perfecting Sight See Hope Revive (CAVIVER) Fortaleza Brazil
6. Albert Sabin Children's Hospital Fortaleza Brazil
7. Community Health Department, Faculty of Medicine Federal University of Ceará Fortaleza Brazil