1. Emergency Intensive Care Unit, The First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui 241002, P.R. China
2. Department of Physiology, Wannan Medical College, Wuhu, Anhui 241002, P.R. China
3. Department of Experimental Center for Function Subjects, Wannan Medical College, Wuhu, Anhui 241002, P.R. China
4. Department of Pathophysiology, Wannan Medical College, Wuhu, Anhui 241002, P.R. China