1. Public Health Foundation of India, New Delhi, India
2. Epidemiology and Research Division, National Tuberculosis Institute, Bangalore, India
3. Public Health Foundation of India, New Delhi, India; Center for Disease Dynamics, Economics & Policy, Washington, DC, USA; Princeton Environmental Institute, Princeton, New Jersey, USA
4. Public Health Foundation of India, New Delhi, India; Department of Infectious Disease Epidemiology, Imperial College London, London, UK