1. Laboratory
of Controllable Nanopharmaceuticals, CAS Key Laboratory for Biomedical
Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China
2. CAS
Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology, Beijing 100190, China
3. Fu Jen Catholic University, Taipei 24205, Taiwan
4. Laboratory
of Molecular Imaging, Department of Radiology, Howard University, Washington, DC 20060, United States