TherapyPal: Towards a Privacy-Preserving Companion Diagnostic Tool based on Digital Symptomatic Phenotyping. - Huining Li; Xiaoye Qian; Ruokai Ma; Chenhan Xu; Zhengxiong Li; Dongmei Li; Feng Lin 004; Ming-Chun Huang; Wenyao Xu (MobiCom, 2023)