1. Institut Pasteur, Pointe-à-Pitre, Guadeloupe, French West Indies
2. Wadsworth Center, Albany, New York, USA
3. National Institute of Public Health and the Environment, Bilthoven, the Netherlands
4. Public Health Research Institute, New York, New York, USA
5. National Institute of Hygiene and Epidemiology, Hanoi, Vietnam
6. General Infirmary, Leeds, U.K.
7. St. Georges’ Hospital Medical School, London, U.K.
8. Instituto de Biotecnologia, Castelar, Argentina
9. Centers for Disease Control and Prevention, Atlanta, Georgia, USA
10. Australian Reference Laboratory for Bovine Tuberculosis, Department of Agriculture, South Perth, Australia
11. University of Surrey, Guildford, Surrey, U.K.
12. Universidade Federal, Pelotas, Brazil
13. Public Health Laboratory Service, Dulwich Hospital, London, U.K.
14. University Children’s Hospital, Heidelberg, Germany
15. Institut Pasteur, Paris, France
16. Robert Koch Institute, Berlin, Germany
17. Swedish Institute for Infectious Disease Control, Solna, Sweden
18. Institut Pasteur, Bangui, Central African Republic
19. Hygiene-Institut der Universität, Wien, Austria
20. University of Palermo, Palermo, Italy
21. Bundesinstitut für gesundheitlichenVerbraucherschutz und Veterinärmedizin, Jena, Germany
22. Pasteur Institute of Saint Petersburg, Saint Petersburg, Russia
23. Centre Hospitalier Universitaire, Brest, France
24. University of Firenze, Firenze, Italy
25. Les Centres Gheskio, Institut National de Laboratoire et de Recherche, Port-au- Prince, HaïtiCornell University, Ithaca, New York, USA
26. Institut Pasteur, Tananarive, Madagascar
27. Göteborg University, Göteborg, Sweden
28. Universidade Federal do Rio Grande do Sul, Brazil
29. Bundesstaatliche bakteriologisch-serologische Untersuchungsanstalt Wien, Austria
30. Oswaldo Cruz Institute, Rio de Janeiro, Brazil
31. Centre Hospitalier Universitaire, Bordeaux, France
32. Instituto de Investigacionas Cientificas, Caracas, Venezuela