1. Xiangya School of Pharmaceutical Sciences, Central South University, Changsha 410013, P. R. China
2. Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Changsha 410078, P. R. China
3. Department of Pharmacy, Xiangya Hospital, Central South University, Changsha 410078, P. R. China
4. Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, 48149 Münster, Germany
5. Department of Radiology, The Third Xiangya Hospital, Central South University, Changsha 410013, P. R. China