1. School of Biomedical and Life Sciences, University of Surrey, Guildford, Surrey GU2 7XH
2. Department of Medical Microbiology, St. George's Hospital Medical School, London SW17 0RE
3. Department of Medical Microbiology, Royal Free and University College Medical School, London NW3 2PF
4. PHLS Mycobacterial Reference Unit, Public Health and Medical Microbiology, Guy's, Kings and St. Thomas' School of Medicine, London SE22 8QF
5. Department of Medical Microbiology, Aberdeen University, Foresterhill, Aberdeen AB25 2ZD
6. Respiratory Division, PHLS Communicable Disease Surveillance Centre, London NW9 5EQ, United Kingdom
7. Unité de la Tuberculose et des Mycobactéries, Institut Pasteur, F-97165 Pointe-à-Pitre Cedex, Guadeloupe, France