1. National Engineering Research Center for Biomaterials Sichuan University 29# Wangjiang Road Chengdu Sichuan 610064 China
2. College of Biomedical Engineering Sichuan University 29# Wangjiang Road Chengdu Sichuan 610064 China
3. Department of Neurosurgery West China Hospital Sichuan University 37# Guoxue Lane Chengdu Sichuan 610041 China
4. State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Oral and Maxillofacial Surgery West China Hospital of Stomatology Sichuan University 14#, 3rd, Section of Renmin South Road Chengdu Sichuan 610041 China
5. Sichuan Testing Center for Biomaterials and Medical Devices Sichuan University 29# Wangjiang Road Chengdu 610064 China