Abstract
1 Mycobacteriology Reference Center, Microbiology Laboratory, Careggi Hospital, Florence, Italy
2 Department of Pulmonary Diseases, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands
3 DSMZ – German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
4 Cytogenetics and Genetics Unit, Careggi Hospital, Florence, Italy
5 National Mycobacteria Reference Laboratory, National Institute of Public Health and the Environment, Bilthoven, The Netherlands