1. Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering and Anhui Province Key Laboratory of Advanced Catalytic Materials and Reaction Engineering, Hefei University of Technology, Hefei, Anhui 230009, P. R. China
2. Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P. R. China
3. Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, School of Pharmacy, Anhui Medical University, Hefei, Anhui 230032, P. R. China
4. Imaging Center of the Third Affiliated Hospital of Anhui Medical University, Hefei 230031, Anhui, P. R. China