1. Departments of Civil and Environmental Engineering Mechanical Engineering, and Materials Science and Engineering Center for Bio‐Integrated Electronics, Northwestern University Evanston IL 60208 USA
2. Department 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