1 McGill International TB Center, McGill University, Montreal, QC H3A 1A2, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC H3A 1A2, Canada.
2 Indian Council of Medical Research, New Delhi, India.
3 Centre for Health Economics, University of York, York, UK.
4 FIND, Geneva, Switzerland.
5 McGill International TB Center, McGill University, Montreal, QC H3A 1A2, Canada; Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montreal, QC H3A 1A2, Canada; McGill Global Health Programs, McGill University, Montreal, QC H3A 1A2, Canada; Manipal McGill Centre for Infectious Diseases, Manipal Academy of Higher Education, Manipal, India. Electronic address: madhukar.pai@mcgill.ca.