1. Shanghai Key Laboratory of Orthopaedic Implants Department of Orthopaedic Surgery Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of Medicine Shanghai 200125 China
2. Department of Orthopedics The First Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310003 China
3. Department of Orthopedics The Fifth People's Hospital of Shanghai Fudan University Shanghai 200240 China
4. Shanghai Key Laboratory of Tissue Engineering Department of Plastic and Reconstructive Surgery Shanghai Ninth People's Hospital Shanghai Jiao Tong University School of Medicine Shanghai 200125 China
5. Clinical Stem Cell Research Center Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine Shanghai 200127 China