[1] Childrens Hosp Eastern Switzerland, Cyst Fibrosis Ctr, St Gallen, Switzerland
[2] Azienda Osped Verona, Cyst Fibrosis Ctr, Verona, Italy
[3] Atrium Med Ctr, Dept Pediat, Heerlen, Netherlands
[4] Hosp Univ Vall dHebron, Cyst Fibrosis Ctr, Barcelona, Spain
[5] Res Ctr Med Genet, Dept Cyst Fibrosis, Moscow, Russia
[6] Midwestern Reg Hosp, Limerick, Ireland
[7] Alder Hey Childrens NHS Fdn Trust, Liverpool, Merseyside, England
[8] AFDPHE, Paris, France
[9] Hop Robert Debre, Paris, France
[10] Cyst Fibrosis Ctr, Inst Mother & Child, Warsaw, Poland
[11] Heidelberg Univ, Dept Pediat 3, Div Pediat Pulmonol & Allergy, Heidelberg, Germany
[12] German Ctr Lung Res DZL, Translat Lung Res Ctr Heidelberg TLRC, Heidelberg, Germany
[13] Univ Liverpool, Alder Hey Childrens Hosp, Inst Pk, Liverpool, Merseyside, England