Authors: Claire L Jackson; Laura Behan; Samuel A Collins; Patricia M Goggin; Elizabeth C Adam; Janice L Coles; Hazel J Evans; Amanda Harris; Peter Lackie; Samantha Packham; Anton Page; James Thompson; Woolf T Walker; Claudia Kuehni; Jane S Lucas Journal: Eur Respir J Date: 2015-12-02 Impact factor: 16.671