1. State Key Laboratory of Respiratory Diseases, Guangzhou Institute of Respiratory Health, National Clinical Centre of Respiratory Disease, The First Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 510120, P.R. China
2. Department of Pharmacy, The People's Hospital of Gaozhou, Gaozhou, Guangdong 525200, P.R. China
3. State Key Laboratory of Quality Research in Chinese Medicine, Macau Institute for Applied Research in Medicine and Health, Macau University of Science and Technology, Taipa, Macau 999078, P.R. China
4. Institute of Chinese Integrative Medicine, Guangzhou Medical University, Guangzhou, Guangdong 511436, P.R. China