Institution: | a Immunology Sector, Department of Microbiology, Immunology, Parasitology and Pathology (DMIPP), Institute of Tropical Pathology and Public Health (IPTSP), Federal University of Goiás (UFG), Postal Box 1031, P.O. Box 74001-970, 74605-050 Goiânia, Goiás, Brazil b Sector of Pathology, Araújo Jorge Hospital, Goiânia, Brazil c Laboratory of Immunochemistry, Butantan Institute, São Paulo, Brazil |