1. Bioactive Botanical Research Laboratory
2. Department of Biomedical and Pharmaceutical Sciences
3. College of Pharmacy
4. University of Rhode Island
5. Kingston
6. Department of Chemistry
7. USA
8. Department of Biology
9. Providence College
10. Providence
11. Department of Dermatology
12. Key Laboratory of Immunodermatology
13. No. 1 Hospital of China Medical University
14. Shenyang 110001
15. China