1. Department of Medicine; Federal University of Mato Grosso do Sul; Três Lagoas Mato Grosso do Sul Brazil
2. Department of Pathological Science; State University of Londrina; Londrina Paraná Brazil
3. Department of Physiology and Pharmacology; Federal University of Ceará; Fortaleza Ceará Brazil
4. Department of Histology; State University of Londrina; Londrina Paraná Brazil
5. Center for Education, Letters and Health; State University of Western Paraná; Foz do Iguaçu Paraná Brazil
6. Department of Morphological Science; State University of Maringá; Maringá Paraná Brazil
7. Department of Basic Health Science; State University of Maringá; Maringá Paraná Brazil