1. Department of Neurology, Jining No. 1 People’s Hospital, Jining, Shandong, China
2. Department of Intensive Care Unit, Jining No. 1 People’s Hospital, Jining, Shandong, China
3. Department of Neurology, The First Affiliated Hospital of Dalian University, Dalian, China
4. Department of Neurology, The First Affiliated Hospital of Dalian Medical University, No.222, Zhongshan Road, Dalian, Liaoning Province 116011, China