1 MRC Clinical Trials Unit at University College London, London WC1V 6LJ, UK. Electronic address: [email protected].
2 Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, UK.
3 Department of Clinical Research, London School of Hygiene and Tropical Medicine, London, UK; Hospital for Tropical Diseases, University College London Hospital NHS Foundation Trust, London, UK.
4 Oxford University Clinical Research Unit, Ho Chi Minh, Vietnam.
5 MRC Clinical Trials Unit at University College London, London WC1V 6LJ, UK; Hospital for Tropical Diseases, University College London Hospital NHS Foundation Trust, London, UK; WHO Collaborating Centre for TB Research and Innovation, University College London, London, United Kingdom.