1. Department of Radiology
2. Xinqiao Hospital
3. Army Medical University
4. Chongqing 400037
5. PR China
6. College of Chemistry and Chemical Engineering
7. Southwest Petroleum University
8. Chengdu 610500
9. State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics Center for Molecular Imaging and Translational Medicine
10. School of Public Health
11. Xiamen University
12. Xiamen 361102