1. Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha 410008, P. R. China
2. Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, Central South University, Changsha 410078, P. R. China
3. Institute of Life Sciences, Chongqing Medical University, Chongqing, Chongqing 400016, China