1. Department of Radiology and Nuclear Medicine, Xuanwu Hospital, Capital Medical University, Beijing, China
2. Beijing Key Laboratory of Magnetic Resonance Imaging and Brain Informatics, Beijing, China
3. Department of Neurology, Yuquan Hospital, Clinical Neuroscience Institute, Medical Center, Tsinghua University, Beijing, China
4. Department of Neurology, Tiantan Hospital, Capital Medical University, Beijing, China