1. Asthma UK Centre for Applied Research, Usher Institute, University of Edinburgh, Edinburgh, UK
2. NHS Gloucestershire Integrated Care Board, Gloucester, UK
3. Primary Care Respiratory Society (PCRS), Knowle, UK
4. Imperial Centre for Paediatrics and Child Health and National Heart and Lung Institute, Imperial College, London, UK
5. Department of Paediatric Respiratory Medicine, Royal Brompton Hospital, London, UK
6. Centre for Population and Health Sciences, Usher Institute, University of Edinburgh, Edinburgh, UK
7. South East GP Unit, NHS Education for Scotland, Edinburgh, UK
8. Observational and Pragmatic Research Institute, Singapore, Singapore
9. Optimum Patient Care, Cambridge, UK
10. Centre of Academic Primary Care, Division of Applied Health Sciences, University of Aberdeen, Aberdeen, UK