1. School of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100102, China
2. College of Pharmacy,University of South Florida, Tampa, FL 33612, USA
3. School of basic medicine, Beijing University of Chinese Medicine, Beijing 100102, China
4. School of Chinese Medicine, Hong Kong Baptist University, Hong Kong
5. Department of Chemistry, Hong Kong Baptist University, Hong Kong
6. Department of Applied Biology & Chemical Technology, Hong Kong Polytechnic University, Hong Kong
7. Division of Life Science, Hong Kong University of Science & Technology, Hong Kong