1. School of Biomedical and Pharmaceutical Sciences
2. Guangdong University of Technology
3. Guangzhou 510006
4. PR China
5. The State Key Laboratory of Chemical Biology and Drug Discovery
6. Novel Bacteria and Drug Discovery (NBDD) Research Group
7. Department of Pharmacy
8. The Fifth Affiliated Hospital of Sun Yat-sen University
9. Zhuhai
10. P. R. China
11. Department of Applied Biology and Chemical Technology
12. The Hong Kong Polytechnic University
13. Kowloon
14. China