Affiliation: | 1. The Affiliated Liyuan Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430077, China;2. School of Public Health of Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430030, China;3. School of Public Health of Shan Xi Medical University, Taiyuan 030001, China |