1. Scottish Centre for Respiratory Research and
2. School of Medicine, University of Dundee, Ninewells Hospital and Medical School, Dundee, Scotland, United Kingdom
3. Biomolecular Sciences Research Group, School of Pharmacy, and
4. Respiratory Department, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain; and
5. Centre for Infection and Immunity, School of Medicine, Dentistry and Biomedical Sciences Queen’s University Belfast, Belfast, United Kingdom
6. National Heart and Lung Institute, Imperial College and Royal Brompton Hospital, London, United Kingdom