1. School of Medicine, Federal University of Alfenas, Alfenas, 37130-001 Minas Gerais, Brazil
2. University Hospital Alzira Velano, Alfenas, 37132-202 Minas Gerais, Brazil
3. Department of Pediatrics, Faculty of Medicine, Federal University of Minas Gerais, Belo Horizonte, 30130-100 Minas Gerais, Brazil
4. Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, 31270-910 Minas Gerais, Brazil
5. Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas, 37130-001 Minas Gerais, Brazil
6. Department of Animal Biology, Federal University of Viçosa, Viçosa, 36570-000 Minas Gerais, Brazil