Department of Biomedical Engineering, University of California, Irvine, California 92697, USA.|Department of Biomedical Engineering, University of California, Irvine, California 92697, USA.|Department of Biomedical Engineering, University of California, Irvine, California 92697, USA.|Department of Biomedical Engineering, University of California, Irvine, California 92697, USA.|Department of Biomedical Engineering, University of California, Irvine, California 92697, USA.