1. State Key Laboratory of Oncogenes and Related Genes, Stem Cell Research Center, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, People's Republic of China.
2. Group of Epigenetic Reprogramming, State Key Laboratory of Cell Biology, Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, People's Republic of China.
3. Xinyuan Institute of Medicine and Biotechnology, School of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, People's Republic of China.
4. Med-X Research Institute, Shanghai Jiaotong University, Shanghai, People's Republic of China.