1. Cystic Fibrosis CenterAzienda Ospedaliero Universitaria Ospedali Riuniti Ancona Italy
2. Unit of ImmunologyAzienda Ospedaliera Universitaria Integrata Verona Italy
3. Department of Pathology and DiagnosticsAzienda Ospedaliera Universitaria Integrata Verona Italy
4. Unit of Transfusion MedicineAzienda Ospedaliera Universitaria Integrata Verona Italy
5. Unit of Pediatric Hematology Oncology Azienda Ospedaliera Universitaria Integrata Verona Italy
6. Department of Pediatric Hematology/Oncology and Stem Cell TransplantationCleveland Clinic Cleveland Ohio