A scalable mental health intervention for depressive symptoms: evidence from a randomized controlled trial and large-scale real-world studies. - Jianjie Xu; Zhuo Rachel Han; Xiangxi Lv; Lu Chen; Ningning Mao; Mengyu Miranda Gao; Hanyi Zhang; Yueqin Hu; Shaozheng Qin; James J. Gross; Zhanjun Zhang (npj Digit. Medicine, 2025)