1 Tuberculosis Research Section, Laboratory of Clinical Infectious Diseases, National Institute of Allergy and Infectious Disease, National Institutes of Health, Bethesda, Maryland, USA.
2 Department of Biochemistry, University of Cambridge, Cambridge, United Kingdom.
3 School of Pathology, University of the Witwatersrand, Parktown, Johannesburg, South Africa.
4 MRC/NHLS/UCT Molecular Mycobacteriology Research Unit, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Rondebosch, South Africa.
5 Drug Discovery Unit, College of Life Sciences, James Black Centre, University of Dundee, Dundee, United Kingdom.