1. Department of General Pathology, Institute of Biological Sciences (Campos, Silva, Santos, Araújo, Ferreira, Cassali), Federal University of Minas Gerais,
Belo Horizonte, Minas Gerais, Brazil
2. Veterinary School, Veterinary Hospital (Lavalle), Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil