1. Key Laboratory of Genomic and Precision Medicine, China Gastrointestinal Cancer Research Center, Beijing Institute of Genomics; Chinese Academy of Sciences; Beijing 100101 P. R. China
2. University of Chinese Academy of Sciences; Beijing 100049 P. R. China
3. State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology; Chinese Academy of Sciences; Beijing 100101 P. R. China
4. The Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health; Chinese Academy of Sciences; Guangzhou 510530 P. R. China
5. CAS Key Laboratory of Receptor Research, the National Center for Drug Screening, Shanghai Institute of Materia Medica; Chinese Academy of Sciences; Shanghai 201203 P. R. China