[1] Univ Illinois, Dept Mat Sci & Engn, Beckman Inst Adv Sci & Technol, Urbana, IL 61801 USA
[2] Univ Illinois, Frederick Seitz Mat Res Lab, Urbana, IL 61801 USA
[3] Univ Illinois, Med Scholars Program, Neurosci Program, Urbana, IL 61801 USA
[4] Univ Illinois, Neurosci Program, Urbana, IL 61801 USA
[5] Univ Illinois, Dept Aerosp Engn, Urbana, IL 61801 USA
[6] Hoseo Univ, Sch Display Engn, Asan 336795, South Korea
[7] Pohang Univ Sci & Technol, Dept Mech Engn, Pohang 790784, South Korea
[8] Tsinghua Univ, Ctr Mech & Mat, Beijing 100084, Peoples R China
[9] Northwestern Univ, Dept Civil & Environm Engn, Dept Mech Engn, Ctr Engn & Hlth, Evanston, IL 60208 USA
[10] Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China