App-based prevention of preschooler unintentional injury in rural China: a cluster randomized controlled trial. - Jieyi He; Min Zhao; Jie Li; David C. Schwebel; Yanhong Fu; Wanhui Wang; Weiqiang Li; Hao Huang; Shuying Zhao; Ruisha Peng; Peishan Ning; Guoqing Hu (npj Digit. Medicine, 2025)