1. Tuberculosis Unit, National Infection Service, Public Health England, London, United Kingdom
2. Field Service, National Infection Service, Public Health England, London, United Kingdom
3. Institute for Global Health, University College London, London, United Kingdom
4. National Mycobacterium Reference Service South, National Infection Service, Public Health England, London, United Kingdom
5. Field Service, National Infection Service, Public Health England, Newcastle, United Kingdom