1. Department of Molecular Microbiology, Washington University School of Medicine , St. Louis, Missouri, USA
2. Department of Microbiology, University of Chicago , Chicago, Illinois, USA
3. Department of Epidemiology, Columbia University Mailman School of Public Health , New York, New York, USA
4. Department of Microbiology and Immunology, Albert Einstein College of Medicine , Bronx, New York, USA
5. Meakins-Christie Laboratories, Department of Medicine, McGill University , Montreal, Quebec, Canada
6. Department of Microbiology and Immunology, McGill International TB Centre , Montreal, Quebec, Canada
7. Department of Pathology, McGill University Health Centre , Montreal, Quebec, Canada