1. Asthma UK Centre for Applied Research; Centre for Medical Informatics; Usher Institute of Population Health Sciences and Informatics; The University of Edinburgh; Edinburgh UK
2. Clinical Epidemiology Program; Ottawa Hospital Research Institute; Ottawa Canada
3. Krefting Research Centre; Institute of Medicine; University of Gothenburg; Gothenburg Sweden
4. School of Health Sciences; University of Tampere; Tampere Finland
5. Wallenberg Centre for Molecular and Translational Medicine; Institute of Medicine; University of Gothenburg; Gothenburg Sweden
6. Edinburgh Clinical Trials Unit; Centre for Medical Informatics; Usher Institute of Population Health Sciences and Informatics; The University of Edinburgh; Edinburgh UK