1. Department of Electrical Engineering and Computer Science, University of California Irvine, Engineering Hall #3110, Irvine, California 92697, United States
2. Department of Biomedical Engineering, University of California Irvine, Engineering Hall #3110, Irvine, California 92697, United States
3. Material and Manufacturing Technology Program, University of California, Irvine, California 92617, United States