1. Key Laboratory of Organ Regeneration and Reconstruction, State Key Laboratory of Membrane Biology, The State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chaoyang District, Beijing, 100101, P. R. China
2. Beijing Institute for Stem Cell and Regenerative Medicine, Chaoyang District, Beijing, 100101, P. R. China
3. Peking-Tsinghua Center for Life Sciences, Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, P. R. China
4. University of Chinese Academy of Sciences, Huairou District, Beijing, 100149, P. R. China
5. Computer Network Information Center, Chinese Academy of Sciences, Beijing, 100864, P.R. China