1. Applied Sciences to Health, Federal University of Sergipe, Lagarto, Brazil
2. Student of scientific initiation, Federal University of Sergipe, Lagarto, Brazil
3. Hospital de Urgência de Sergipe, Aracaju, Brazil
4. Liga Norte-Riograndense Contra o Câncer, Natal, Brazil
5. Oral Pathology, Post-Graduate Program, Federal University of Rio Grande do Norte, Natal, Brazil
6. Applied Sciences to Health, Post-Graduate Program, Federal University of Sergipe, Lagarto, SE, Brazil
7. Biometrics and applied statistics, Post-graduate Program, Rural Federal University of Pernambuco, Recife, Brazil