1National Heart & Lung Institute, Imperial College London, London, United Kingdom
2Department of Paediatric Respiratory Medicine, Royal Brompton and Harefield Trust, London, United Kingdom
3School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, United Kingdom
4Department of Adult Cystic Fibrosis, Royal Brompton and Harefield Trust, London, United Kingdom
5Clinical Trials Accelerator Platform, Cystic Fibrosis Trust, United Kingdom
6RTI Health Solutions, Health Preference Assessment, Belfast, United Kingdom
7QUEEN ELIZABETH HOSPITAL, BIRMINGHAM, United Kingdom