1. Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
2. The Intensive Care Unit, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
3. Department of Gerontology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
4. Department of Neurosurgery, The Central Hospital of Longhua District, Shenzhen, China
5. Department of Neurology, Chongqing General Hospital, Chongqing, China