1. International Union Against Tuberculosis and Lung Disease, Paris, France
2. London School of Hygiene and Tropical Medicine, Keppel Street, London, UK
3. International Union Against Tuberculosis and Lung Disease, South-east Asia Office, C-6 Qutub Institutional Area, New Delhi 110016, India
4. Yenepoya Medical College, Yenepoya (Deemed to be University), University Road, Deralakatte, Mangalore 575018, India