1. Department of Clinic and Surgery; School of Dentistry; Federal University of Alfenas; Alfenas MG Brazil
2. Department of Immunology and Microbiology; Institute of Biomedical Sciences; Federal University of Alfenas; Alfenas MG Brazil
3. Pathology Center; Adolfo Lutz Institute; São Paulo SP Brazil
4. Department of Pathology and Parasitology; Institute of Biomedical Sciences; Federal University of Alfenas; Alfenas MG Brazil