1. Department of Medicine, Department of Microbiology and Immunology, Department of Pathology, McGill University Health Centre, McGill International TB Centre, Meakins-Christie Laboratories, McGill University, 1001 Decarie Boulevard, Montreal, Quebec H4A 3J1, Canada.
2. Goodman Cancer Research Centre and Department of Physiology, McGill University, Montreal, Quebec H3G 1Y6, Canada.
3. Department of Pathology, Quebec Heart and Lung Institute, Laval University, 2725 Chemin Sainte-Foy, Quebec, Quebec G1V 4G5, Canada.