1. Key Lab of Advanced Technologies of Materials Ministry of Education School of Materials Science and Engineering Southwest Jiaotong University Chengdu Sichuan 610031 China
2. State Key Laboratory of Oral Diseases National Clinical Research Center for Oral Diseases Department of Orthodontics West China Hospital of Stomatology Sichuan University Chengdu Sichuan 610041 China
3. Lab for Aging Research and National Clinical Research Center for Geriatrics West China Hospital Sichuan University Chengdu Sichuan 610041 China
4. National Engineering Research Center for Biomaterials Sichuan University Chengdu Sichuan 610064 China