1 Respiratory Medicine and National Cystic Fibrosis Reference Center, Cochin Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France. [email protected].
2 Pediatric Respiratory Diseases and Cystic Fibrosis Center, Rouen University Hospital, INSERM CIC1404, EA 2656 UNI ROUEN, Normandy University, Rouen, France.
3 Department of Biostatistics and Clinical Research, Rouen University Hospital and INSERM U 1018, University of Rouen, Rouen, France.