1. Department of Neurology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guanzhou, Guangdong, China
2. Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, Guangdong, China
3. Department of Radiation Oncology, Sun Yat-Sen Memorial Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
4. Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan, China