1. Cystic Fibrosis Centre, Hospital San Carlo Potenza Italy
2. Lazio Reference Centre for Cystic Fibrosis Policlinico Umberto I University Hospital Rome Italy
3. Pediatric Pulmonology Unit, Città della Salute e della Scienza Ospedale Infantile Regina Margherita Turin Italy
4. Pediatric Cystic Fibrosis Centre Azienda Universitaria Ospedaliera Consorziale Policlinico Bari Italy
5. Cystic Fibrosis Center, Azienda Ospedaliera Brotzu Cagliari Italy
6. Department of Medicine, Surgery and Dentistry, Scuola Medica Salernitana, Postgraduate School of Pediatrics University of Salerno Baronissi Italy