Fig. 3From: Effectiveness of an app-based intervention for unintentional injury among caregivers of preschoolers: protocol for a cluster randomized controlled trialHomepage of app intervention. Note: The app homepage was translated into English appears in Additional file 2. Eight images within the figure were derived from the app “Baohusan” that has been developed by the research team for unintentional injury prevention among preschool students and will be tested in this trialBack to article page