1. School of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China
2. National Engineering Research Center for Tissue Restoration and Reconstruction, Guangzhou 510006, China
3. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
4. Medical Research Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
5. Key Laboratory of Biomedical Materials of Ministry of Education, South China University of Technology, Guangzhou 510641, China