Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Department of Interventional Neuroradiology, Qingdao University - Department of Neurology, Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Department of Interventional Neuroradiology, Boston University - Department of Neurology, Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Department of Neurology, Capital Medical University - Beijing Tiantan Hospital, Nanjing University - Department of Neurology, Anhui University of Chinese Medicine - The First Affiliated Hospital, Capital Medical University - China-America Institute of Neuroscience, Capital Medical University - Department of Neurosurgery, Zhengzhou University - Department of Cerebrovascular Disease, Sun Yat-sen University (SYSU) - Department of Neurology, Shandong University - Department of Neurology, Guangzhou Medical University - Department of Neurosurgery, Guizhou University of Traditional Chinese Medicine - Neurosurgery Department, Jilin University (JLU) - Department of Neurology, Hunan Provincial People’s Hospital, Anhui Medical University - Department of Neurology, Capital Medical University - Department of Neurology, Capital Medical University - Department of Neurology, Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Cerebrovascular Disease Department, Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Department of Interventional Neuroradiology, Capital Medical University - Department of Neurosurgery, Capital Medical University - Beijing Neurosurgical Institute, Capital Medical University - Department of Neurosurgery, Capital Medical University - Department of Neurosurgery, University of California, Irvine - Department of Neurology, University of California, Los Angeles (UCLA) - Department of Neurology and Comprehensive Stroke Center, University Hospitals of Cleveland - University Hospitals Cleveland Medical Center, Capital Medical University - Department of Neurology, Capital Medical University - Department of Neurology and Capital Medical University - Beijing Tiantan Hospital