1. Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, P.R. China
2. Department of Orthopaedic Surgery, Shanghai Sixth People’s Hospital Affiliated to Shanghai Jiaotong University School of Medicine, 600 YiShan Road, Shanghai 200233, P. R. China
3. Shanghai Xuhui District Dental Center, Shanghai 200030, P. R. China