1. School of Sport and Health Sciences University of Exeter Exeter UK
2. Child Life and Health University of Edinburgh Edinburgh UK
3. Department for Health University of Bath Bath UK
4. Wessex Cystic Fibrosis Unit University Hospital Southampton Foundation NHS Trust Southampton UK
5. National Institute for Health Research Southampton Biomedical Research Centre Southampton Children’s Hospital Southampton UK
6. Department of Paediatric Respiratory and Sleep Medicine Royal Hospital for Sick Children Edinburgh UK
7. School of Sport, Health and Exercise Sciences University of Portsmouth Portsmouth UK