1Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB, T6G 2V4, Canada
2Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801 USA
3Department of Biomedical Engineering, Washington University in Saint Louis, Saint Louis, MO, USA
4Department of Chemical and Biomolecular Engineering (BK21+ Program), Korea Advanced Institute of Science and Technology, Daejeon, Korea
5Illinois Simulator Laboratory, Beckman Institute, University of Illinois, Urbana, IL 61801, USA
6MC10 Inc., 36 Cameron Avenue, Cambridge, MA 02140, USA
7Igor R. Efimov, Department of Biomedical Engineering, Washington University in Saint Louis, Saint Louis, MO, USA
8John A. Rogers, Department of Materials Science and Engineering, Chemistry, Mechanical Science and Engineering, Electrical, and Computer Engineering, Beckman Institute for Advanced Science and Technology and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
9Department of Materials Science and Engineering, Chemistry, Mechanical Science and Engineering, Electrical, and Computer Engineering, Beckman Institute for Advanced Science and Technology and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
