1. Regional Reference Center for Mycobacteria, Microbiology and Virology Laboratory, Careggi Hospital, 50134 Florence, Italy
2. Department of Experimental Pathology, Medical Biotechnologies, Infectivology and Epidemiology, University of Pisa, 56127 Pisa, Italy
3. Department of Preventive Medicine, Autonoma University of Madrid, 28029 Madrid, Spain
4. Microbiology and Virology Laboratory, S. Camillo-Forlanini Hospitals, 00149 Rome, Italy
5. Department of Public Health, University of Florence, 50134 Florence, Italy
6. German Collection of Microorganisms and Cell Cultures, 38124 Braunschweig, Germany
7. Clinical Laboratory, Campo di Marte Hospital, 55100 Lucca, Italy
8. Genetics and Cytogenetics Unit, Careggi Hospital, 50134 Florence, Italy
9. Microbiological and Virological Serum-immunology Laboratory, Careggi Hospital, 50134 Florence, Italy
10. Department of Specialized and Experimental Clinical Medicine, Microbiology Division, University of Bologna, 40138 Bologna, Italy
11. Regional Reference Center for Mycobacteria, S. Bortolo Hospital, 36100 Vicenza, Italy