1. Department of Pharmacognosy, School of Pharmacy; Hunan University of Chinese Medicine; Changsha Hunan China
2. Department of Clinical Pharmacology, Xiangya Hospital; Central South University; Changsha China
3. Institute of Clinical Pharmacology; Hunan Key Laboratory of Pharmacogenetics; Central South University; Changsha China
4. Tang Center for Herbal Medicine Research, The Pritzker School of Medicine; University of Chicago; Chicago IL USA