1. Department of Applied Physics
2. Institute of Advanced Materials Physics
3. Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology
4. Faculty of Science
5. Tianjin University
6. School of Public Health
7. North China University of science and technology
8. Tangshan 063210
9. People's Republic of China
10. Clinical Lab
11. North China University of Science and Technology Affiliated Hospital
12. Tangshan 063000