1. Institute of Orthopedics The First Medical Center Chinese PLA General Hospital Beijing Key Lab of Regenerative Medicine in Orthopedics Key Laboratory of Musculoskeletal Trauma and War Injuries PLA Beijing 100853 China
2. College of Polymer Science and Engineering State Key Laboratory of Polymer Materials Engineering Sichuan University Chengdu 610065 China
3. Department of Pharmaceutical Engineering, School of Engineering China Pharmaceutical University Nanjing 211198 China
4. University Center of Orthopaedic Trauma and Plastic Surgery University Hospital Carl Gustav Carus at Technische Universität Dresden 01307 Dresden Germany
5. Department of Bone and Joint Surgery Renji Hospital School of Medicine Shanghai Jiaotong University Shanghai 200127 China