1. Department of Pathophysiology, Medical College of Shihezi University, Shihezi, Xinjiang 832002, P.R. China
2. The Centre of Medical Functional Experiments, Medical College of Shihezi University, Shihezi, Xinjiang 832002, P.R. China
3. Department of Geriatrics, The First Affiliated Hospital of Medical College of Shihezi University, Shihezi, Xinjiang 832002, P.R. China