1. Clinical Research Centre, Beaumont Hospital
2. Department of Psychology
3. COPD Outreach, Beaumont Hospital, Dublin, Ireland; and
4. Division of Population Health Sciences, and
5. Trinity Centre of Bioengineering
6. School of Engineering, and
7. School of Medicine, Trinity College, The University of Dublin, Dublin, Ireland
8. Department of Respiratory Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland