1. Huaxi MR Research Center (HMRRC) Department of Radiology Frontiers Science Center for Disease‐Related Molecular Network State Key Laboratory of Biotherapy West China Hospital and National Engineering Research Center for Biomaterials Sichuan University Chengdu 610041 China
2. Functional and molecular imaging Key Laboratory of Sichuan Province Key Laboratory of Transplant Engineering and Immunology NHC and Research Unit of Psychoradiology Chinese Academy of Medical Sciences Chengdu 610041 China
3. Amgen Bioprocessing Centre Keck Graduate Institute Claremont CA 91711 USA
4. Department of Chemical Engineering Imperial College London South Kensington Campus London SW7 2AZ UK
5. Department of Radiology West China Xiamen Hospital of Sichuan University Xiamen Fujian 361000 China