1. SD Ospedaliera di Microbiologia, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
2. University of Groningen, University Medical Center Groningen, Department of Medical Microbiology, Groningen, Netherlands
3. UO Oncoematologia Pediatrica, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy