1. Department of Morphology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil.
2. Department of Clinical and Toxicological Analysis, School of Pharmacy, Federal University of Minas Gerais, Belo Horizonte, Brazil.
3. Department of Pathology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Brazil.
4. Department of Preventive Veterinary Medicine, School of Veterinary Medicine, Federal University of Minas Gerais, Belo Horizonte, Brazil.
5. Department of Medical Sciences, Federal University of Ouro Preto, Ouro Preto, Brazil.