Feasibility Assessment of Extracting Social Determinants of Health From Electronic Medical Records: A Multicenter Study Across Chinese Healthcare Institutions - Mengchun Gong; Zihao Ouyang; Dandan Ma; Qilin Wang; Endi Cai; Chao Liu; Yue Yu; Jingdong Yan; Sheng Nie; Lin Lin (Health Care Science, 2026)