1. Department of Infection, Barts Health, London, United Kingdom
2. NMRL, Public Health England, London, United Kingdom
3. Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom
4. National Mycobacterium Reference Laboratory, Research Centre Borstel, Borstel, Germany
5. Department of Infectious Diseases, Imperial College, London, United Kingdom