1. State Key Laboratory for Strength and Vibration of Mechanical Structures, Department of Engineering Mechanics, Xi’an Jiaotong University, Xi’an 710049, China
2. Department of Mechanical and Industrial Engineering, University of Toronto, 5 Kings College Road, Toronto M5S3G8, Canada
3. Department of Materials Science and Engineering, University of Toronto, Toronto M5S 3E4, Canada
4. Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto M5S 3G9, Canada
5. The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States