Institution: | Xian-Dong Feng, Xue Xie, Rui He, Fang Li, Medical Department, Chengdu Second People’s Hospital, Chengdu 610021, Sichuan Province, ChinaGui-Zhong Tang, Chongqing Medical University School of Public Health and Management, Medical and Social Development Research Center, and Collaborative Innovation Center for Social Risk Prediction and Governance in the Health Field, Chongqing 400016, China |