Authors
Runze An
Department of Family Medicine, Shengjing Hospital of China Medical University, PR China
Wenmin Tang
Department of Family Medicine, Shengjing Hospital of China Medical University, PR China
Zhanpeng Zhao
Department of Family Medicine, Shengjing Hospital of China Medical University, PR China
Wentao Liu
Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, P.R. China
Liang Kan
Department of Geriatrics, Shengjing Hospital of China Medical University, PR China