1. College of Life Science and Technology State Key Laboratory of Organic‐Inorganic Composites Beijing Laboratory of Biomedical Materials Beijing University of Chemical Technology Beijing 100029 China
2. Institute of Medical Technology Peking University Health Science Center Beijing 100191 China
3. SINOPEC (Beijing) Research Institute of Chemical Industry Co., Ltd. Beijing 100013 China
4. Beijing National Laboratory for Molecular Science State Key Laboratory of Polymer Physical and Chemistry Institute of Chemistry Chinese Academy of Science Beijing 100190 China
5. Department of Radiology Peking University Third Hospital Beijing 100191 China
6. Beijing Key Laboratory of Magnetic Resonance Imaging Devices and Technology Peking University Third Hospital Beijing 100191 China