1. Sandwell and West Birmingham Hospitals NHS Trust; Department of Respiratory Medicine; Birmingham UK
2. St. Joseph's Healthcare; Firestone Institute for Respiratory Health; Hamilton Ontario Canada
3. McMaster University; Hamilton Ontario Canada
4. Lancashire Care NHS Foundation Trust; NIHR Lancashire CRF; Preston UK
5. Lancaster University; Division of Health Research; Lancaster UK
6. Lancashire Teaching Hospitals NHS Foundation Trust; Department of Respiratory Medicine; Preston UK
7. East Lancashire Hospitals NHS Trust; Blackburn Lancashire UK
8. Lancaster Medical School; Lancaster UK LA1 4YG