1. Institute of Pharmacology, Taishan Medical College, Tai'an, Shandong 271016, P.R. China
2. Hunan Provincial Key Laboratory of Diagnostics in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, P.R. China
3. Design, Measurement and Evaluation in Clinical Research Center, Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China