1. State Key Laboratory of Bioactive Substance and Function of Natural Medicines Institute of Materia Medica Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100050 China
2. Beijing Key Laboratory of Drug Delivery Technology and Novel Formulation Institute of Materia Medica Chinese Academy of Medical Sciences & Peking Union Medical College Beijing 100050 China
3. Institute of Biomedical Health Technology and Engineering Shenzhen Bay Laboratory Shenzhen 518132 China
4. Department of Pharmacy Beijing Friendship Hospital Capital Medical University Beijing 100050 China
5. Department of Interventional Radiography Beijing Friendship Hospital Capital Medical University Beijing 10050 China
6. Department of Diagnostic Radiology Nanomedicine Translational Research Program Yong Loo Lin School of Medicine Yong Loo Lin School of Medicine National University of Singapore Singapore 119074 Singapore
7. Department of Chemical and Biomolecular Engineering and Department of Biomedical Engineering College of Design and Engineering National University of Singapore Singapore 119074 Singapore
8. Clinical Imaging Research Centre Centre for Translational Medicine Yong Loo Lin School of Medicine National University of Singapore Singapore 117599 Singapore
9. Institute of Molecular and Cell Biology Agency for Science Technology and Research (A*STAR) 61 Biopolis Drive, Proteos Singapore 138673 Singapore