1. State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology Chinese Academy of Sciences Beijing China
2. Institute for Stem Cell and Regeneration Chinese Academy of Sciences Beijing China
3. Beijing Institute for Stem Cell and Regenerative Medicine Beijing China
4. Savaid Medical School University of Chinese Academy of Sciences Beijing China
5. The Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Zhongshan School of Medicine Sun Yat‐sen University Guangzhou China
6. Department of Pathology, Guangdong Provincial People's Hospital Guangdong Academy of Medical Sciences Guangzhou China
7. Medical College of Jiaying University Meizhou China