Department of Health Policy and Management, School of Public Health, Peking University, Beijing 100191, China;
Department of Medical Administration, Wuhan Center Hospital Attached to Tonji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430014, China;
Department of Health Policy and Management, School of Public Health, Peking University, Beijing 100191, China;
Department of Health Policy and Management, School of Public Health, Peking University, Beijing 100191, China;
Department of Health Policy and Management, School of Public Health, Peking University, Beijing 100191, China;