1. Department of Mechanical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3109, United States
2. Department of Mechanical Engineering, Northern Illinois University, 590 Garden Road, DeKalb, Illinois 60115, United States
3. Department of Civil and Environmental Engineering, North Dakota State University, 1410 14th Avenue N, Fargo, North Dakota 58105, United States
4. Center for Hierarchical Materials Design, Northwestern University, 2205 Tech Drive, Evanston, Illinois 60208-3109, United States
5. Department of Civil and Environmental Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208-3109, United States