1. Department of Biomedical Engineering, Research Center for Nano-biomaterials & Regenerative Medicine, College of Biomedical Engineering, Shanxi Key Laboratory of Materials Strength & Structural Impact, Taiyuan University of Technology, Taiyuan 030024, P. R. China
2. Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030032, P. R. China
3. Shanxi Provincial Key Laboratory for Functional Proteins, Shanxi Jinbo Bio-Pharmaceutical Co., Ltd., Taiyuan 030032, P. R. China