1. Key State Laboratory of Fine Chemicals, School of Bioengineering, Dalian University of Technology, No. 2, Linggong Road, High-Tech District, Dalian 116024, P. R. China
2. Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing Medical University, Chongqing 401147, P. R. China
3. Laboratory of Regenerative Biomaterials, Department of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen 518037, P. R. China
4. College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China