1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials; Donghua University; Shanghai 201620 China
2. College of Chemistry; Chemical Engineering and Biotechnology; Donghua University; Shanghai 201620 China
3. Department of Orthopedics; Shanghai First People's Hospital; School of Medicine; Shanghai Jiaotong University; Shanghai 200080 China
4. Department of Radiology; Shanghai First People's Hospital; School of Medicine; Shanghai Jiaotong University; Shanghai 200080 China
5. Department of Orthopedics; Changzheng Hospital; Second Military Medical University; Shanghai 200003 China