1. Department of Paediatric Medicine, Cystic Fibrosis Regional Reference Center Anna Meyer Children's University Florence Italy
2. Department of Pathophysiology and Transplantation, Cystic Fibrosis Regional Reference Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico University of Milan Milan Italy
3. Paediatric Unit, Department of Translational Medical Sciences, Cystic Fibrosis Regional Reference Center University of Naples Federico II Naples Italy
4. Mother ‐ Child Department Cystic Fibrosis Regional Reference Center, United Hospitals Ancona Italy
5. Dept. of Experimental Medicine Sapienza University of Rome Rome Italy
6. Pasteur Institute Cenci Bolognetti Foundation Rome Italy
7. Cystic Fibrosis Regional Reference Center, A.O.U. Policlinico Umberto I Rome Italy
8. Department of Experimental Medicine Sapienza University of Rome Rome Italy
9. Freelance Statistician Milan Italy
10. Department of Pediatrics, Cystic Fibrosis Regional Support Center, ASST Spedali Civili Brescia University of Brescia Brescia Italy