Wu, Qian, Xixi Fan, and Xin Qi. 2026. “Digital Phenotyping for Relapse Prediction in Depression and Schizophrenia: A Narrative Review of Signals, Models, and Clinical Translation”. Health Nexus: Digital Health and Medical AI 1 (1): 1-13. https://doi.org/10.63802/hndh.V1.I1.358.