1. Graduate Program in Health Sciences, Federal University of Sergipe, Aracaju, Brazil
2. Department of Nursing, Federal University of Sergipe, Aracaju, Brazil
3. Department of Biology, Federal University of Sergipe, São Cristóvão, Brazil
4. Investigative Pathology Laboratory, Federal University of Sergipe, Aracaju, Brazil
5. Centre for Epidemiology and Public Health, Federal University of Alagoas, Arapiraca, Brazil
6. Graduate Program in Health Sciences, Federal University of Alagoas, Maceió, Brazil