1. Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Medical Genetics Laboratory Milan Italy
2. Department of Medical and Surgical Sciences University of Foggia Foggia Italy
3. Department of Biosciences, Biotechnologies and Biopharmaceutics University of Bari Bari Italy
4. Cystic Fibrosis Regional Center Azienda Ospedaliero‐Universitaria Policlinico Bari Italy
5. Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico Cystic Fibrosis Center Milan Italy