1. Department of Endodontics School of Dentistry University of Uberlândia Uberlândia MGBrazil
2. Department of Immunology Institute of Biomedical Sciences Federal University of Uberlândia Uberlândia MGBrazil
3. Department of Microbiology, Immunology and Parasitology Institute of Biological and Natural Sciences Federal University of Triângulo Mineiro Uberaba MG Brazil