1. Department of Biology, Stanford University, Stanford, CA 94305, USA.
2. Department of Chemistry, Stanford University, Stanford, CA 94305, USA.
3. Department of Science and Technology/National Research Foundation Centre of Excellence for Biomedical Tuberculosis Research, Faculty of Health Sciences, University of Witwatersrand, National Health Laboratory Service, Johannesburg, South Africa.
4. Institute of Pharmaceutical Biology and Biotechnology, Heinrich Heine University Duesseldorf, Universitätsstrasse 1, 40225 Duesseldorf, Germany.
5. Department of Microbiology and Immunology, Stanford University, Stanford, CA 94305, USA.
6. Perinatal HIV Research Unit (PHRU), SA MRC Soweto Matlosana Collaborating Centre for HIV/AIDS and TB, University of the Witwatersrand, Johannesburg, South Africa.
7. Medical Research Council–Centre for the AIDS Programme of Research in South Africa (CAPRISA) HIV-TB Pathogenesis and Treatment Research Unit, Durban, South Africa.
8. Howard Hughes Medical Institute, Stanford University, Stanford, CA 94305, USA.