1. Leishmaniasis Research Laboratory at Natan Portella Tropical Diseases Institute, Teresina, Brazil;
2. Graduation Program in Sciences and Health, Federal University of Piauí, Teresina, Brazil;
3. Piaui State Central Laboratory of Public Health, Teresina, Brazil;
4. Department of Community Medicine, Federal University of Piauí, Teresina, Brazil;
5. Animal Sanity Laboratory, Federal University of Piauí, Teresina, Brazil
6. Maternal and Child Department, Federal University of Piauí, Teresina, Brazil;