1. Microbiology Department, Research Provincial Council (CIC) and Veterinary College, La Plata University (UNLP), La Plata, Argentina
2. Research National Council (CONICET) & Pathology Department, Veterinary College, La Plata University (UNLP), La Plata, Argentina
3. Parasitology Department, Veterinary College, La Plata University (UNLP), La Plata, Argentina