1. Department of Materials Science and Engineering, Jinan University, Guangzhou 510632, P. R. China
2. Guangdong Taibao Medical Science and Technology CO., Ltd, Puning, 515345, P. R. China
3. Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Guangzhou, 510632, China
4. Affiliated Stomatology Hospital of Guangzhou Medical University, Guangzhou Key Laboratory of Basic and Applied Research of Oral Regenerative Medicine, Guangzhou 510182, P. R. China