1. Department of Advanced Nuclear Medicine Sciences
2. National Institute of Radiological Sciences
3. National Institutes for Quantum and Radiological Science and Technology
4. Chiba, 263-8555
5. Japan
6. School of Chemistry and Chemical Engineering
7. Beijing Institute of Technology
8. Beijing 100081
9. P. R. China
10. Department of Vascular Surgery
11. General Hospital of People's Liberation Army
12. Beijing 100853