London Health Sciences Centre, University of Western Ontario, London, Ontario, Canada
Aberdeen Royal Infirmary, NHS Grampian, Aberdeen, United Kingdom
University Hospital of Wales, Cardiff and Vale NHS Trust, Cardiff, South Glamorgan, United Kingdom
Respiratory Muscle Lab, Royal Brompton Hospital, Fulham Road, London, United Kingdom
Imperial College Hammersmith Campus, London, United Kingdom
Imperial College Hammersmith Campus, London, United Kingdom
Imperial College Hammersmith Campus, London, United Kingdom
Department of Nuclear Medicine, Royal Brompton Hospital, London, United Kingdom
Asthma Lab, Royal Brompton Hospital, London, United Kingdom
Airway Disease Section, National Heart and Lung Institute, Imperial College, London, United Kingdom
Asthma Laboratory, Royal Brompton Hospital, Sydney Street, London, United Kingdom
St. Mark's Hospital, Harrow, Middlesex, United Kingdom
Imperial College Healthcare NHS Trust (Hammersmith, Charing Cross and St. Mary's Hospitals), London, United Kingdom