1. School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, PR China;
2. Mathematical Engineering Academy of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, PR China;
3. Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou, PR China;
4. School of Chinese Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, PR China