1. Guangdong Key Laboratory for Research and Development of Natural Drugs
2. Guangdong Medical University
3. Zhanjiang 523024
4. China
5. Traditional Chinese Medicine and New Drug Research Institute
6. Sino-American Cancer Research Institute
7. Dongguan Scientific Research Center
8. Dongguan
9. Department of Microbiology and Immunology
10. School of Basic Medicine
11. Department of Medical Oncology
12. Hunan Tumor Hospital
13. Changsha
14. Department of Materials Science and Engineering
15. Drexel University
16. Philadelphia
17. USA