1. School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 China
2. School of Materials Science and Engineering National Engineering Research Center for Tissue Restoration and Reconstruction South China University of Technology Guangzhou 510641 China
3. College of Arts and Sciences Stony Brook University Stony Brook NY 11794 USA
4. Department of Spine Surgery First Hospital of Zhejiang University Hangzhou 310003 China
5. Department of Spine Surgery The Third Affiliated Hospital of Sun Yat‐sen University Guangzhou 510630 China