1. Guangdong Key Laboratory for Research and Development of Natural Drug, Department of Pharmacology, Guangdong Medical University, Zhanjiang, China.
2. Guangdong Vocational Institute of Public Administration, Guangzhou, China.
3. Chemistry and Pharmacy Experimental Teaching Center, Guangdong Medical University, Zhanjiang, China.
4. The First School of Clinical Medical, Guangdong Medical University, Zhanjiang, China.
5. Department of Respiratory Medicine, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
6. Department of Respiratory Medicine, The Second Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
7. Zhanjiang Central Hospital, Guangdong Medical University, Zhanjiang, China.