1. Department of Experimental Therapeutics; Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine; 651 Dong Feng East Road Guangzhou 510060 Guangdong P. R. China
2. The First Department of Chemotherapy; The First Affiliated Hospital of Fujian Medical University; Fuzhou 350005 Fujian P. R. China
3. Metabolic Innovation Center, Zhongshan School of Medicine; Sun Yat-sen University; Guangzhou 510080 Guangdong P. R. China
4. Department of Leukemia; The University of Texas M.D. Anderson Cancer Center; Houston TX 77030 USA