Fig. 2From: schema: an open-source, distributed mobile platform for deploying mHealth research tools and interventionsScreenshots of the three main tabs during an example study, ‘drema’ (on iOS). Left: Home screen displays the study banner and a list of available modules. Centre: Bar (top) and line (bottom) graphs display the participants’ responses to specified questions, dynamically updating as the participant progresses through the study protocol. Right: Details of the study protocol are displayed for the participant, including contact details of the research teamBack to article page