1 McGill International TB Centre, McGill University, Montreal, QC H3A 1A2, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC H3A 1A2, Canada.
2 McGill International TB Centre, McGill University, Montreal, QC H3A 1A2, Canada; Research Institute of the McGill University Health Centre, McGill University, Montreal, QC H3A 1A2, Canada.
3 McGill International TB Centre, McGill University, Montreal, QC H3A 1A2, Canada; Department of Microbiology and Immunology, McGill University, Montreal, QC H3A 1A2, Canada.
4 McGill International TB Centre, McGill University, Montreal, QC H3A 1A2, Canada.
5 McGill International TB Centre, McGill University, Montreal, QC H3A 1A2, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC H3A 1A2, Canada. Electronic address: madhukar.pai@mcgill.ca.