1. Department of Materials Science and Engineering Frederick Seitz Materials Research Laboratory University of Illinois at Urbana‐Champaign Urbana IL 61801 USA
2. Simpson Querrey Institute and Feinberg Medical School Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA
3. Department of Mechanical Engineering Pohang University of Science and Technology (POSTECH) Gyeongbuk 790‐784 South Korea
4. State Key Laboratory of Chemical Engineering College of Chemical and Biological Engineering Zhejiang University Hangzhou 310027 P. R. China
5. Departments of Civil and Environmental Engineering, Mechanical Engineering, and Materials Science and Engineering Northwestern University Evanston IL 60208 USA
6. Center for Mechanics and Materials AML Department of Engineering Mechanics Tsinghua University Beijing 100084 P. R. China
7. Departments of Materials Science and Engineering, Biomedical Engineering, Neurological Surgery, Chemistry, Mechanical Engineering, Electrical Engineering and Computer Science Simpson Querrey Institute and Feinberg Medical School Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA