Published on in Vol 20, No 9 (2018): September
1 Department of Informatics, King's College London, London, United Kingdom
2 School of Medicine, University of Nottingham, Nottingham, United Kingdom
3 Asthma UK Centre for Applied Research, Barts Institute of Population Health Sciences, Queen Mary University of London, London, United Kingdom
4 Primary Care Unit, Department of Public Health and Primary Care, University of Cambridge, Cambridge, United Kingdom
5 HealthUnlocked, London, United Kingdom
6 Asthma UK Centre for Applied Research, Usher Institute of Population Sciences and Informatics, University of Edinburgh, Edinburgh, United Kingdom
7 School of Business and Management, Queen Mary University of London, London, United Kingdom