1. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Cambridge MA 02139 USA
2. Department of Chemistry Swansea University Singleton Park Swansea SA2 8PP UK
3. Laboratory for Atomistic and Molecular Mechanics Department of Civil and Environmental Engineering Massachusetts Institute of Technology Cambridge MA 02139 USA
4. Department of Biomedical Engineering Tufts University 4 Colby Street Medford MA 02155 USA
5. Institute of High Performance Computing A*STAR 1 Fusionopolis Way Singapore 138632 Singapore
6. J2 Lab for Engineering Living Materials Sibley School of Mechanical and Aerospace Engineering Cornell University Ithaca NY 14853 USA