1. Department of Materials Science and Engineering Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA
2. Department of Engineering Mechanics Center for Mechanics and Materials Tsinghua University Beijing 100084 China
3. Department of Civil and Environmental Engineering, Mechanical Engineering, Materials Science and Engineering Northwestern University Evanston IL 60208 USA
4. Center for Bio‐Integrated Electronics Department of Dermatology Feinberg School of Medicine Northwestern University Evanston IL 60208 USA
5. Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA
6. Department of Materials Science and Engineering Burnett School of Biomedical Sciences University of Central Florida Orlando FL 32827 USA
7. Department of Civil and Environmental Engineering, Mechanical Engineering, Materials Science and Engineering Skin Disease Research Center Feinberg School of Medicine Northwestern University Evanston IL 60208 USA
8. Departments of Materials Science and Engineering, Biomedical Engineering, Chemistry, Mechanical Engineering, Electrical Engineering and Computer Science, and Neurological Surgery Center for Bio‐Integrated Electronics Simpson Querrey Institute for Nano/biotechnology Northwestern University Evanston IL 60208 USA