1. Armauer Hansen Research Institute, Addis Ababa, Ethiopia
2. National Tuberculosis and Leprosy Control Programme, Ethiopia Federal Ministry of Health, Addis Ababa, Ethiopia
3. Health Economics Unit and Division, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa
4. Global TB Programme, World Health Organization, Geneva, Switzerland
5. Global Health Economics Centre, Department of Global Health and Development, London School of Hygiene & Tropical Medicine, London, UK