1. Department of Plastic Surgery, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 11004, China
2. Department of Tissue Engineering, China Medical University, 77 Puhe Road, Shenyang 110112, China
3. Department of Stomatology, The Fourth Affiliated Hospital of China Medical University, 4 Chongshan East Road, Shenyang 110033, China
4. Surgical Bioengineering Laboratory, Department of Surgery, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
5. Institute of Regulatory Science for Medical Device, National Engineering Research Center for Biomaterials, Sichuan University, 24 Yihuan Street, Chengdu 610065, China