1. Department of Preventative Medicine
2. Zhejiang Key Laboratory of Pathophysiology
3. Medical School of Ningbo University
4. Ningbo
5. People's Republic of China
6. Key Laboratory of Environmental Medicine Engineering
7. Ministry of Education
8. School of Public Health
9. Southeast University
10. Nanjing 210009
11. Toxicology and Molecular Biology Branch
12. Health Effects Laboratory Division
13. National Institute for Occupational Safety and Health
14. Morgantown
15. USA