1. Beijing Engineering Research Center for BioNanotechnology
2. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety
3. CAS Center for Excellence in Nanoscience
4. National Center for NanoScience and Technology
5. Beijing
6. Reproduction Center of the 306th Hospital of People's Liberation Army
7. Chaoyang District
8. P. R. China