1. Institute of Pharmacy & Pharmacology and the Second Affiliated Hospital
2. University of South China
3. Hengyang 421001
4. P. R. China
5. Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation
6. Medical Research Center
7. Sun Yat-sen Memorial Hospital
8. Sun Yat-sen University
9. Guangzhou 510120
10. The Affiliated Nanhua Hospital