1. MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
2. School of Chemistry and Chemical Engineering
3. Sun Yat-Sen University
4. Guangzhou 510275
5. P. R. China
6. Key Laboratory of Regenerative Biology
7. Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine
8. South China Institute for Stem Cell Biology and Regenerative Medicine
9. Guangzhou Institutes of Biomedicine and Health
10. Chinese Academy of Sciences