1. Orthopedics Research Institute of Zhejiang University Department of Orthopedic Surgery the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310000 P. R. China
2. Key Laboratory of Motor System Disease Research and Precision Therapy of Zhejiang Province Hangzhou Zhejiang 310000 P. R. China
3. School of Material Science and Engineering University of New South Wales Sydney 2052 Australia
4. Department of Polymer Science and Engineering Zhejiang University Hangzhou 310009 P. R. China
5. Bio‐nanomaterials and Regenerative Medicine Research Division Zhejiang‐California International Nanosystem Institute Zhejiang University Hangzhou 310058 P. R. China