1. Department of Radiology, Aerospace Center Hospital, Beijing, PR China
2. Collaborative Innovation Center for Brain Disorders, Capital Medical University and Beijing Institute of Brain Disorders, Beijing, PR China
3. Center for Biomedical Imaging Research, Department of Biomedical Engineering, Tsinghua University School of Medicine, Beijing, PR China
4. Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, PR China