Treatment and prevention of pulmonary exacerbations 10. Asthma 129 Jérémy Charriot, Mathilde Volpato, Carey Sueh, Clément Boissin, Anne Sophie Gamez, Isabelle Vachier, Laurence Halimi, Pascal Chanez and Arnaud Bourdin 11. COPD 147 Nicolas Roche 12. Cystic fibrosis 167 J. Stuart Elborn 13. Non-cystic fibrosis bronchiectasis 181 Mike J. Harrison and Charles S. Haworth 14 IPF 199 Carola Condoluci, Riccardo Inchingolo, Annelisa Mastrobattista, Alessia Comes, Nicoletta Golfi, Cristina Boccabella and Luca Richeldi 15. The role of pulmonary rehabilitation in the prevention of 224 exacerbations of chronic lung diseases Fernanda M. Rodrigues, Matthias Loeckx, Thierry Troosters and Wim Janssens