1. Laboratory of Tissue Engineering, Faculty of Life Sciences Northwest University Xi'an China
2. Department of Biomedical Engineering Fourth Military Medical University Xi'an China
3. Department of Diagnostics, College of Basic Medicine Shaanxi University of Chinese Medicine Xianyang China
4. Department of Stomatology General Hospital of Northern Theater Command (Formerly General Hospital of Shenyang Military Area) Shenyang China
5. Department of Cell Biology, School of Medicine Northwest University Xi'an China