1. Guangzhou University of Chinese Medicine, Guangzhou 510006, P.R. China
2. State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, Beijing 100700, P. R. China
3. School of Pharmaceutical Sciences, Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, Sun Yat-sen University, Guangzhou 510006, P. R. China
4. Guangdong Provincial Key Laboratory of Translational Cancer Research of Chinese Medicines, Joint International Research Laboratory of Translational Cancer Research of Chinese Medicines, International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China