1. Institute of Tropical Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
2. State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
3. Department of Integrated Chinese Medicine Immunization and Section Rheumatology Research, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China