1. Department of Medicine and Scientific Research, Characteristic Medical Center of the Chinese People's Armed Police Force, Pingjin Hospital, Tianjin 300162, P.R. China
2. Department of General Surgery Department, Characteristic Medical Center of the Chinese People's Armed Police Force, Pingjin Hospital, Tianjin 300162, P.R. China
3. Department of Neurology, Central Hospital of Minhang, Shanghai 200000, P.R. China
4. Department of Brain, Characteristic Medical Center of the Chinese People's Armed Police Force, Pingjin Hospital, Tianjin 300162, P.R. China