1. Unité immunopathologie virale, Centre de recherche du Centre hospitalier universitaire (CHU) Sainte-Justine, Montreal, Quebec, Canada
2. Department of Microbiology, Infectiology and Immunology, Faculty of Medicine, Université de Montréal, Canada
3. Department of Informatics and Operations Research, Université de Montréal, Canada
4. Centre de recherche du CHU Sainte-Justine, Montreal, Quebec, Canada
5. Centre maternel et infatile sur le SIDA, Centre de recherche du CHU Sainte-Justine, Montreal, Quebec
6. Departement of Obstetrics and Gynecology, Faculty of Medicine, Université de Montréal, Canada
7. Department of Pediatrics, Faculty of Medicine, Université de Montréal, Canada
8. Women’s Health Research Institute, Vancouver, Canada
9. BC Center for Disease Control, Vancouver, Canada