1. Materials Science and Engineering and Texas Materials Institute, University of Texas at Austin, Austin, Texas 78712, United States
2. Center for Mechanics of Solids, Structures and Materials in the Department of Aerospace Engineering and Engineering Mechanics, University of Texas at Austin, Austin, Texas 78712, United States
3. Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, Texas 78712, United States
4. Department of Biomedical Engineering, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States