Protocol for a nested case-control study: identifying neuroimaging biomarkers for the progression of subclinical depression and qi-stagnation constitution to major depressive disorder in adolescents - Wang, Jing; Zhang, Chengfeng; Zhang, Yueqi; Liu, Yuanyuan; Zhang, Jingli; Fang, Xingwei; Xia, Wangyang; Xie, Yanzhao; Lan, Zhongli; Wang, Jinhui; Lu, Min; Chen, Jun (Frontiers in Psychiatry, 2025)