1. Regional Reference Center for Mycobacteria, Microbiology and Virology Laboratory, Careggi University Hospital, Florence, Italy
2. Institute of Medical Microbiology, University of Zurich, Zurich, Switzerland
3. Laboratory of Microbiology and Virology, Modena University Hospital, Modena, Italy
4. Culture Collection University of Göteborg, Department of Clinical Bacteriology, Göteborg, Sweden
5. Clinical Microbiology Laboratory, Mycobacteriology Department, University Hospital of Crete, Herakleon, Greece
6. DSMZ, German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
7. Cytogenetics and Genetics Unit, Careggi University Hospital, Florence, Italy