The iPREDICT application is intended to collect, display, and store data retrieved from physiologic sensors and environmental monitoring software. The system also presents and records the results of health and behavioural surveys to the user. A subset of data collected from the system is aggregated and presented to the user in summary view. All data collected from the system will be stored for later analysis and used to identify future non-invasive biomarkers associated with moderate to severe Asthma patients. The system intended for use in the iPREDICT trial only. (Source: DDP, URS).