1 Discipline of Parasitology, Department of Microbiology, Immunology and Parasitology, State University of Rio de Janeiro, Rio de Janeiro, Brazil.
2 Laboratory of Imunoparasitology "Dr. Mário Endsfeldz Camargo", Department of Immunology, Institute of Biomedical Sciences, Federal University of Uberlândia, Uberlândia, Brazil.
3 Department for Health, University of Bath, Bath, United Kingdom.