1 Medical Research Council (MRC), Clinical Trials Unit at UCL; Institute for Global Health, Faculty of Population Health Sciences, University College London, London, UK; Wellcome Centre for Infectious Diseases Research in Africa, Institute of Infectious Disease & Molecular Medicine, University of Cape Town, Cape Town, South Africa.
2 Department of Clinical Research, ICMR-National Institute for Research in Tuberculosis, Chennai 600 031, Tamil Nadu, India.
3 Medical Research Council (MRC), Clinical Trials Unit at UCL, London, UK.