1. Key Laboratory of Theoretical and Computational Photochemistry; College of Chemistry, Beijing Normal University; Ministry of Education; Beijing P. R. China
2. Zhengzhou Tobacco Research Institute; CNTC; Zhengzhou P. R. China
3. National Institutes for Food and Drug Control; Beijing P. R. China
4. Key Laboratory for Cell Proliferation and Regulation Biology; Beijing Normal University; Ministry of Education; Beijing P. R. China
5. Department of Clinical Laboratory; Beijing Ditan Hospital; Capital Medical University; Beijing P. R. China