1. International Reference Laboratory of Mycobacteriology, Statens Serum Institut, Copenhagen, Denmark
2. National Mycobacterium Reference Service South, Public Health England, London, UK
3. European Center for Disease Prevention and Control, Stockholm, Sweden
4. International Reference Laboratory of Mycobacteriology, Statens Serum Institut, Copenhagen, Denmark, Global Health Section, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
5. National Mycobacterium Reference Service South, Public Health England, London, UK, Imperial College London, London, UK