1. School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
2. School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, Guangdong 510006, P.R. China
3. Department of Pharmacy, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524000, P.R. China