1. Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
2. Department of Neurosurgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
3. Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
4. Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Hong Kong, China
5. BrainNow Medical Technology Limited, Hong Kong Science and Technology Park, Hong Kong, China