1. First Clinical Medical College, Xinjiang Medical University, Urumqi, Xinjiang Uyghur Autonomous Region 830054, P.R. China
2. Nursing College, Binzhou Medical University, Binzhou, Shandong 264003, P.R. China
3. Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xinjiang Medical University, Urumqi, Xinjiang Uyghur Autonomous Region 830017, P.R. China