1. Department of Materials Science and Engineering, Beckman Institute for Advanced Science and Technology, and Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA.
2. Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA.
3. School of Chemical and Biological Engineering, Center for Nanoparticle Research of Institute for Basic Science, WCU Program of Chemical Convergence for Energy and Environment, Seoul National University, Seoul 151-741, Republic of Korea.
4. Department of Mechanical Engineering and Department of Civil and Environmental Engineering, Northwestern University, Evanston, IL 60208, USA.
5. Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA.
6. Department of Electrical and Computer Engineering, University of Illinois at Urbana–Champaign, Urbana, IL 61801, USA.
7. State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Dalian 116024, China.
8. Nano Terra, Brighton, MA 02135, USA.
9. Department of Medicine and Department of BioMedical Engineering, Sarver Heart Center, University of Arizona, Tucson, AZ 85724, USA.
10. Department of Physics, Tufts University, Medford, MA 02155, USA.