1. Department of Prosthodontics, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, PR China.
2. Oral Bioengineering Lab/Oral Tissue Engeneering Lab, Shanghai Research Institute of Stomatology, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai Key Laboratory of Stomatology, Shanghai, PR China.
3. Department of Oral and Maxillofacial Surgery, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, PR China.
4. School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, PR China.