1 Department of Pathology, Botucatu Medical School, Department of Veterinary Clinics, Laboratory of Investigative and Comparative Pathology , School of Veterinary Medicine and Animal Science, Univ. Estadual Paulista - UNESP, Botucatu, Brazil.
2 Department of Pathology, Botucatu Medical School, Laboratory of Investigative and Comparative Pathology, School of Veterinary Medicine and Animal Science, Univ. Estadual Paulista - UNESP, Botucatu, Brazil.
3 Laboratory of Investigative and Comparative Pathology, School of Veterinary Medicine and Animal Science, Univ. Estadual Paulista - UNESP, Botucatu, Brazil.
4 Laboratory of Comparative Pathology, Department of Pathology, ICB/UFMG, Belo Horizonte, MG, Brazil.