1. Artemisinin Research Center, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P. R. China
2. Institute of Pulmonary Disease, Guangzhou Chest Hospital, Guangzhou, Guangdong, P. R. China
3. Guangzhou Eighth People’s Hospital, Guangzhou Medical University, Guangzhou, P. R. China
4. Institute of Science and Technology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P. R. China
5. The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, P. R. China