1 Pediatric Pneumology and Cystic Fibrosis Unit, University Clinic Hospital of Valencia, University of Valencia, Av. de Blasco Ibáñez, 13, 46010, Valencia, Spain.
2 Department of Microbiology, School of Medicine and University Hospital, University of Valencia, Av. de Blasco Ibañez 17, 46010, Valencia, Spain.
3 Pediatric Department, Niño Jesús University Hospital for Children, Calle Menéndez Pelayo, 65, 28009, Madrid, Spain.
4 Pediatric Pulmonology Unit, University Hospital Parc Tauli de Sabadell, Parc Taulí, 1, 08208, Sabadell, Barcelona, Spain.
5 Pediatric Department, Hospital La Paz, Paseo de la Castellana, 261, 28046, Madrid, Spain.
6 Pediatric Pneumology and Cystic Fibrosis Unit, Cruces University Hospital, Plaza de Cruces, S/N, 48903, Barakaldo, Vizcaya, Spain.
7 Pediatric Pulmonology and Cystic Fibrosis UnitVirgen of Arrixaca University Hospital, Murcia, Spain.
8 Paediatric Pulmonology and Cystic Fibrosis UnitVall d'Hebron University Hospital, Barcelona, Spain.
9 Ningyang Group Co., Limited, C/O GSK, Wavre, Belgium.
10 GSK, Collegeville, Collegeville, PA, USA.
11 GSK, Parque Tecnológico de Madrid, Tres Cantos, Spain.
12 GSK, Rockville, Maryland, USA. carla.a.talarico@gsk.com.