1. Centre for the AIDS Programme of Research in South Africa (CAPRISA)-Medical Research Council TB-HIV Pathogenesis and Treatment Unit, Durban, South Africa;
2. Department of Epidemiology and Biostatistics, McGill International TB Centre, McGill University, Montreal, Canada;
3. International Institute for Social Studies, Erasmus University, Rotterdam, Netherlands;
4. Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco, San Francisco, California;
5. Volunteer Heath Services, Addis Ababa, Ethiopia;
6. United Nations Special Envoy for Tuberculosis, San Francisco, California