[1] Inst Nacl Saude Dr Ricardo Jorge, Ctr Human Genet, P-1649016 Lisbon, Portugal
[2] Univ Lisbon, Fac Ciencias, Dept Quim & Bioquim, P-1699 Lisbon, Portugal
[3] Inst Nacl Saude Dr Ricardo Jorge, Observ Nacl Saude, P-1649016 Lisbon, Portugal
[4] Hosp Santa Maria, Serv Pediat, Unidade Fibrose Quist, Lisbon, Portugal
[5] Hosp D Estefania, Lisbon, Portugal
[6] Hosp Duran I Reynals, IRO, Dept Mol Genet, Barcelona, Spain
[7] Hosp Univ Virgen Roccio, Cyst Fibrosis Unit, Seville, Spain
[8] Hosp Univ Materno Infantil Vall Hebron, Cyst Fibrosis Unit, Barcelona, Spain
[9] Hosp Infantil Cruces, Cyst Fibrosis Unit, Pais Vasco, Spain
[10] Hosp Carlos Haya, Cyst Fibrosis Unit, Malaga, Spain
[11] Hosp Xeral Vigo, Paediat Serv, Galicia, Spain
[12] St Sophia Childrens Hosp, Dept Paediat 1, Athens, Greece
[13] St Sophia Childrens Hosp, Choremio Res Lab, Mol Med Unit, Athens, Greece
[14] Hannover Med Sch, Klin Forsch Grp, Hannover, Germany
[15] Hop Henri Mondor, Serv Biochim & genet, F-94010 Creteil, France
[16] CHRU Rennes Pontchaillou, Serv Genet Mol & Hormonol, Rennes, France
[17] CHU Brest, Lab Genet Mol & Histocompatibil, F-29285 Brest, France
[18] Inst Biol, Lab Genet Mol & Chromosom, Montpellier, France
[19] CHU Reims, Lab Pol Bouin, Reims, France
[20] CHU Reims, Hop Maison Blanche, INSERM, Unite U514, Reims, France
[21] Grp Hosp Cochin, Lab Biochim & Biol Mol, Paris, France
[22] Grp Hosp Cochin, Serv Pneumol, Paris, France
[23] CHU Poitiers, Lab Genet Cellulaire & Mol, Poitiers, France
[24] UZ Gasthuisberg, Dept Paediat, Louvain, Belgium
[25] Katholieke Univ Leuven, Ctr Human Genet, B-3001 Louvain, Belgium