1. Key Laboratory of Carcinogenesis of the Chinese Ministry of Health and the Key Laboratory of Carcinogenesis and Cancer Invasion of Chinese Ministry of Education, Xiangya Hospital, Central South University, Changsha, China
2. School of Basic Medical Science, Central South University, Changsha, China
3. Guangdong Province Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Research Center of Medicine, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, Guangzhou, China
4. Cancer Research Institute, Central South University, Changsha, China
5. Division of Functional Genome Analysis, German Cancer Research Center (DKFZ),
Heidelberg, Germany