1. School of Life Science and Technology Xidian University and Engineering Research Center of Molecular and Neuro Imaging Ministry of Education Xi'an Shaanxi Province 710126 P. R. China
2. International Joint Research Center for Advanced Medical Imaging and Intelligent Diagnosis and Treatment and Xi'an Key Laboratory of Intelligent Sensing and Regulation of trans‐Scale Life Information School of Life Science and Technology Xidian University Xi'an Shaanxi Province 7100126 P. R. China
3. Neurosurgery Department Ninth Affiliated Hospital of Medical College of Xi'an Jiaotong University Xi'an Shaanxi Province 710054 P. R. China
4. Vascular Intervention Department Ninth Affiliated Hospital of Medical College of Xi'an Jiaotong University Xi'an Shaanxi Province 710054 P. R. China
5. Radiology Department CT and MRI Room Ninth Affiliated Hospital of Medical College of Xi'an Jiaotong University Xi'an Shaanxi Province 710054 P. R. China