作者机构:[1]School of Medicine and Health Management, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China, [2]Center for Policy and Health Management, Chinese Academy oI Medical Sciences, Beijing 100020, China, [3]School of Public Health, Weifang Medical University, Weifang, Shandong 261053, China
相关基金:The study was funded by the National Natural Science Fotmdation of China (Program No: 71273191).
Correspondence to: Dr. Zhang Liang, School of Medicine and Health Management, Huazhong University of Science and Technology, Wuhan 430030, China (Tel: 86-27-83610982. Fax: 86-27-83692996. Email: 254538937@qq.com)