[1] Dalian Med Univ, Affiliated Hosp 2, Dalian 116023, Peoples R China
[2] Dalian Med Univ, Dept Pathophysiol, Dalian 116044, Peoples R China
[3] Dalian Univ Technol, Zhongshan Hosp, Dept Emergency Med, Dalian 116001, Peoples R China
[4] Dalian Med Univ, Inst Brain Disorders, Dept Physiol, Dalian 116044, Peoples R China