1. Key State Laboratory of Fine Chemicals, School of Bioengineering, Dalian University of Technology, 2 Linggong Road, High-Tech District, Dalian 116024, P. R. China
2. Laboratory of Regenerative Biomaterials, Department of Biomedical Engineering, Health Science Center, Shenzhen University, 3688 Nanhai Avenue, Shenzhen 518037, P. R. China
3. Regenerative Biomaterials Group, Department of Dentistry, Radboudumc, Geert Grooteplein Zuid 10, Nijmegen 6525GA, The Netherlands
4. Dalian Medical University, South Lvshun Road, Dalian 116044, P. R. China