1. Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
2. Department of Radiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
3. Department of Radiology, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, China
4. School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
5. Department of Neurology, School of Medicine, New York University, New York, 10016, USA
6. Department of Biomedical Engineering, College of Engineering, Shantou University, Shantou, 515063, China