1. Department of Materials Science and Engineering and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
2. Department of Mechanical Engineering, Texas A&M University, College Station, Texas 77843, United States
3. Department of Engineering Mechanics and Soft Matter Research Center, Zhejiang University, Hangzhou, Zhejiang 310027, China
4. Institute of Solid Mechanics, Beihang University, Beijing 100191, China
5. Department of Mechanical Science and Engineering, University of Illinois at Urbana—Champaign, Urbana, Illinois 61801, United States
6. Department of Electronic Engineering, Incheon National University, Incheon 406-772, Republic of Korea
7. Department of Mechanical and Aerospace Engineering, University of Miami, Coral Gables, Florida 33157, United States
8. Departments of Civil and Environmental Engineering, Northwestern University, Evanston, Illinois 60208, United States