1. Jiangsu Key Laboratory of Materials and Technology for Energy Conversion
2. College of Material Science and Engineering
3. Nanjing University of Aeronautics and Astronautics
4. Nanjing 210016
5. P. R. China
6. Department of General Surgery
7. Nanjing First Hospital
8. Nanjing Medical University
9. Nanjing
10. People's Republic of China
11. Department of Chemistry
12. Duke University
13. Durham
14. USA