1. Frontier Institute of Science and Technology, and State Key Laboratory for Mechanical Behavior of MaterialsXi'an Jiaotong University Xi'an 710049 China
2. Department of OrthopaedicsThe First Affiliated HospitalCollege of MedicineXi'an Jiaotong University Xi'an 710061 China
3. Macromolecular Science and Engineering CenterUniversity of Michigan Ann Arbor MI 48109 USA
4. Department of Materials Science and EngineeringUniversity of Michigan Ann Arbor MI 48109 USA
5. Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine ResearchCollege of StomatologyXi'an Jiaotong University Xi'an 710049 China