Association between time spent on smart devices and change in refractive error: a 1-year prospective observational study among Hong Kong children and adolescents
Validation of an electronic visual analog scale mHealth tool for acute pain assessment: prospective cross-sectional study
Is preference for mHealth intervention delivery platform associated with delivery platform familiarity?
Effects of an activity tracker and app intervention to increase physical activity in whole families-the step it up family feasibility study
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