1. AP‐HP, Hôpital Trousseau, Pediatric Pulmonary Department, Paris, France
2. Inserm, UMR‐S U893, Paris, France
3. Université Pierre et Marie Curie‐Paris6, Paris, France
4. AP‐HP, Hôpital St. Antoine, Biostatisitics Department, Paris, France
5. Inserm, UMR‐S U707, Paris, France
6. Department of Paediatrics, Georges Clemenceau Hospital, Caen, France
7. Children's Hospital, University of Duisburg‐Essen, Essen, Germany
8. AP‐HP, Hôpital Trousseau, Genetic Department, Paris, France