1. Laboratory of Biology of Recognition, Universidade Estadual do Norte Fluminense, Campos, 28013-602 Rio de Janeiro, Brazil
2. Laboratory of Animal Morphology and Pathology, Universidade Estadual do Norte Fluminense, Campos, 28013-602 Rio de Janeiro, Brazil
3. Biotechnology Institute, CICV y A INTA-Castelar, Las Cabanas y Los Reseros, 1712 Buenos Aires, Argentina
4. Paulo de Goes Microbiology Institute, Federal University of Rio de Janeiro (UFRJ), 21941-913 Rio de Janeiro, Brazil
5. Immunochemistry Laboratory, Butantan Institute, São Paulo, 05503-900 São Paulo, Brazil