1. Trauma CenterPeking University People's Hospital Beijing China
2. Department of Bone and Joint SurgeryRenji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai China
3. Institute of Metal Research, Chinese Academy of Science Shenyang China
4. Jiangsu OKANI Medical Technology Co., Ltd Soochow China
5. School of Materials Science and EngineeringUniversity of Science and Technology of China Shenyang China