Wu, Qian, et al. “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, vol. 1, no. 1, Oct. 2026, pp. 1-13, https://doi.org/10.63802/hndh.V1.I1.358.