1. School of Clinical Pharmacy
2. Guangdong Pharmaceutical University
3. Guangzhou
4. P. R. China
5. State Key Laboratory of Respiratory Disease
6. National Clinical Research Center for Respiratory Disease
7. Guangzhou Institute of Respiratory Health
8. The First Affiliated Hospital
9. Guangzhou Medical University
10. School of Life Sciences
11. The Chinese University of Hong Kong
12. Shatin, N. T