1 Institute of Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
2 Laboratory of Bacteriology and Bioassays, National Institute of Infectology Evandro Chagas, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
3 Postgraduate Program in Clinical Research of Infectious Diseases, National Institute of Infectology Evandro Chagas, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
4 Biomedical Institute, Federal University of State of Rio de Janeiro, Rio de Janeiro, Brazil.