1. AML Department of Engineering Mechanics Center for Flexible Electronics Technology Center for Mechanics and Materials Tsinghua University Beijing 100084 China
2. Institute of Flexible Electronics Technology of THU Zhejiang Jiaxing 314000 China
3. Departments of Materials Science and Engineering Biomedical Engineering Chemistry, Neurological Surgery Mechanical Engineering Electrical Engineering and Computer Science Simpson Querrey Institute & Feinberg Medical School Center for Bio‐Integrated Electronics Northwestern University Evanston IL 60208 USA
4. Departments of Civil and Environmental Engineering Mechanical Engineering Materials Science and Engineering Northwestern University Evanston IL 60208 USA