Prevention measures in allergic disorders 427 Susanne Halken 9 – Cystic fibrosis Epidemiology, genetics, pathophysiology and prognosis of CF 435 Caroline Poulter, Iolo Doull and Jayesh Mahendra Bhatt Screening and diagnosis of CF 446 Jürg Barben and Kevin W. Southern CF lung disease 452 Nicolas Regamey and Giulia Cangiano Extrapulmonary manifestations of CF 461 Vanessa Stadlbauer Microbiology, cross-infection and hygiene in CF 473 Michael Hogardt and Silke Besier 10 – Congenital malformations Airway malformations 484 Ernst Eber and Andreas Pfleger Lung malformations 495 Ashok Daya Ram, Katherine Burke, Jennifer Calvert and Sailesh Kotecha Vascular malformations 504 Oliviero Sacco and Laura Petrarca 11 – Bronchopulmonary dysplasia Epidemiology, aetiology, prevention, diagnosis, management and 515 complications of BPD Alice Hadchouel, Pierre-Henri Jarreau and Christophe Delacourt Long-term respiratory outcomes of BPD 521 Laura Moschino, Charles C. Roehr and Eugenio Baraldi 12 – Effects of systemic and extrapulmonary conditions on the respiratory system Effects of systemic and extrapulmonary conditions on the 532 respiratory system Andrew Bush and Rishi Pabary