ZHANG Yao
First Clinical Medical College of Shanxi Medical University, Taiyuan 030000, ChinaLIU Xue-Jun
Department of Geriatrics, First Hospital of Shanxi Medical University, Taiyuan 030000, China(1. First Clinical Medical College of Shanxi Medical University, Taiyuan 030000, China;2. Department of Geriatrics, First Hospital of Shanxi Medical University, Taiyuan 030000, China)