1. Ningbo Cixi Institute of Biomedical Engineering, Ningbo Key Laboratory of Biomedical Imaging Probe Materials and Technology, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices and Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences (CAS) Ningbo Zhejiang 315201 China
2. University of Chinese Academy of Sciences Beijing 100049 P. R. China
3. Department of Mechanical, Materials and Manufacturing Engineering University of Nottingham Ningbo China Ningbo 315100 P. R. China
4. Department of Radiology The First Affiliated Hospital of Ningbo University Ningbo 315010 P. R. China
5. Ningbo Clinical Research Center for Medical Imaging Ningbo 315010 P. R. China
6. Department of Radiology Ningbo No.2 Hospital Ningbo 315010 P. R. China