1. Research Centre for Artificial Organ and Tissue Engineering & Institute of Regenerative Medicine Department of Hepatobiliary Surgery II Zhujiang Hospital Cancer Research Institute School of Basic Medical Sciences Southern Medical University Guangzhou Guangdong Province 510280 P. R. China
2. Department of Gynecology Zhujiang Hospital Southern Medical University Guangzhou Guangdong Province P. R. China
3. Department of Gynecology The Third Affiliated Hospital of Southern Medical University Guangzhou Guangdong P. R. China
4. Department of Gynecology Nanhai People's Hospital Southern Medical University Guangzhou Guangdong Province P. R. China
5. Department of Pathology School of Basic Medical Sciences Southern Medical University Guangzhou Guangdong 510515 P. R. China
6. CAS Key Laboratory of Bio‐inspired Materials and Interfacial Science, CAS Center for Excellence in Nanoscience, Technical Institute of Physics and Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China