1. Querrey Simpson Institute for Bioelectronics Northwestern University Evanston Illinois USA
2. Materials Sciences Research Center Japan Atomic Energy Agency Tokai Japan
3. Epicore Biosystems, Inc. Cambridge Massachusetts USA
4. Department of Biomedical Engineering Northwestern University Evanston Illinois USA
5. Department of Materials Science and Engineering Northwestern University Evanston Illinois USA
6. Department of Mechanical Engineering Northwestern University Evanston Illinois USA
7. Department of Neurological Surgery Northwestern University Evanston Illinois USA