1. Chronic Viral Illnesses Service, McGill University Health Centre, 3650 St. Urbain Street, Montreal, QC, Canada H2X 2P4
2. Research Institute, McGill University Health Centre, Montreal, QC, Canada H3H 2R9
3. Department of Microbiology and Immunology, Faculty of Medicine, University of Montreal, Montreal, QC, Canada H3T 1J4
4. CHUM Research Center, Saint-Luc Hospital, Montreal, QC, Canada H2X 1P1