1 Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, Division of Pediatrics, University of Verona, Verona, Italy - sarah.dal_ben@studenti.univr.it.
2 Department of Surgical Sciences, Dentistry, Gynecology and Pediatrics, Division of Pediatrics, University of Verona, Verona, Italy.
3 Center of Cystic Fibrosis, University Hospital of Verona, Verona, Italy.