[1] Azienda Osped Univ Integrata Verona, Cyst Fibrosis Ctr, Verona, Italy
[2] Gaslini Inst, Cyst Fibrosis Ctr, Genoa, Italy
[3] Leeds Gen Infirm Leeds, Reg Paediat CF Unit, Leeds, W Yorkshire, England
[4] St James Univ Hosp, Dept Clin & Hlth Psychol, Leeds, W Yorkshire, England
[5] Prince Charles Hosp, Adult Cyst Fibrosis Ctr, Brisbane, Qld, Australia
[6] Univ Med Ctr Utrecht, Dept Pulmonol, Utrecht, Netherlands
[7] Univ Paris 07, Hop Robert Debre, AP HP, Pediat CF Ctr, Paris, France
[8] Univ Toronto, Hosp Sick Children, Dept Paediat, Div Resp Med, Toronto, ON, Canada
[9] Hop Necker Enfants Malad, INSERM, U1151,Inst Necker Enfants Malad, Serv Pneumol & Allergol Pediat,Ctr Ressources & C, Paris, France
[10] Univ Liverpool, Inst Translat Med, Liverpool, Merseyside, England
[11] Ostschweizer Kinderspital Sankt Gallen, Claudiusstr 6, CH-9006 St Gallen, Switzerland
[12] Med Univ South Carolina, Div Pulm & Crit Care, Charleston, SC USA
[13] Univ Hosp, Dept Clin Psychol, Prague, Czech Republic
[14] Res Ctr Med Genet, Fed State Budgetary Inst, Cyst Fibrosis Grp, Dept Genet Epidemiol, Moscow, Russia
[15] Hop Necker Enfants Malad, CRCM, Dept Pediat Pulmunol, Paris, France
[16] Royal Brompton Hosp, Cyst Fibrosis Ctr, London, England
[17] Wythenshawe Hosp, Univ Hosp South Manchester NHS Fdn Trust, Manchester Adult Cyst Fibrosis Ctr, Manchester, Lancs, England
[18] Univ Coll, Cork Univ Hosp, Cork Adult CF Ctr, Cork, Ireland
[19] Univ Minnesota, Div Pediat Gastroenterol Hepatol & Nutr, Masonic Childrens Hosp, Minneapolis, MN USA
[20] Univ Nottingham, Div Child Hlth Obstet & Gynaecol COG, Nottingham, England
[21] Anna Meyer Childrens Univ Hosp, Dept Paediat Med, Cyst Fibrosis Ctr, Florence, Italy
[22] Wolfgang von Goethe Univ Frankfurt Main, Univ Klinikum Frankfurt Main, Frankfurter Referenzzentrum Seltene Erkrankungen, Frankfurt, Germany
[23] Leeds Teaching Hosp, Leeds Childrens Hosp, Reg Paediat CF Unit, Leeds, W Yorkshire, England
[24] Motol Univ Hosp, Fac Med, Dept Med Microbiol, Prague, Czech Republic