1. Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang 330004, P. R. China
2. Tang Center for Herbal Medicine Research, University of Chicago, Chicago, Illinois 60637, USA
3. Department of Anesthesia and Critical Care, Pritzker School of Medicine, University of Chicago, Chicago, Illinois 60637, USA
4. School of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
5. Committee on Clinical Pharmacology and Pharmacogenomics, Pritzker School of Medicine, University of Chicago, Chicago, Illinois 60637, USA