1. Emerging Bacterial Pathogens Unit, San Raffaele Scientific Institute, Milan, Italy
2. Department of Clinical Bacteriology, Parasitology, Zoonoses and Geographical Medicine, University Hospital of Heraklion, Heraklion, Greece
3. DSMZ, German Collection of Microorganisms and Cell Cultures, Braunschweig, Germany
4. Microbiology and Virology Laboratory, Careggi University Hospital, Florence, Italy
5. Cytogenetics and Genetics Unit, Careggi University Hospital, Florence, Italy