| Affiliation: | 1. Department of Orthopedics, The First Affiliated Hospital of Soochow University, Orthopedic Institute Soochow University, Suzhou, Jiangsu, P. R. China;2. Department of General Surgery, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, P. R. China;3. Centre for Nanotechnology and Regenerative Medicine, UCL Division of Surgery and Interventional Science, University College London, London, UK;4. Department of Chemistry, University of California, Berkeley, CA, USA |
