1. Department of Health Information (DIS/CICT)
2. Epidemiology Research Group, Department of Social and Prenventative Medicine, Laval University, Quêbec, Canada
3. Department of Immunology and Molecular Biology (IOC)
4. Ambulatório do Banco da Providência, Rio de Janeiro, Brazil,
5. Department of Microbiology and Immunology, University of Montreal, Montreal, Canada