1. Department Woman-Mother-Child, Service of Paediatrics, Paediatric Pulmonology and Cystic Fibrosis Unit, University Hospital of Lausanne and Faculty of Biology and Medicine, University of Lausanne, Switzerland
2. Institute of Bioengineering, School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
3. Division of Respiratory Medicine, Children’s Hospital Lucerne, Switzerland
4. Division of Respiratory Medicine, Hospital of Neuchâtel, Switzerland