1. Graduate College of Cellular and Molecular Biology, Federal University of Paraná (UFPR), Coronel Francisco Heráclito dos Santos Avenue, 100, Curitiba, Paraná, 81531-970, Brazil
2. Department of Veterinary Medicine, Federal University of Paraná State, Funcionários Street, 1540, Curitiba, Paraná, 80035-050, Brazil
3. Department of Medicine, State University of Ponta Grossa, General Carlos Cavalcanti, 4748, Ponta Grossa, Paraná, 84030-900, Brazil
4. Department of Comparative Pathobiology, School of Veterinary Medicine, Purdue University, 725 Harrison Street, West Lafayette, Indiana 47907-2027, USA