1. Laboratory for Atomistic and Molecular Mechanics (LAMM), 77 Massachusetts Avenue, 1-165, Cambridge, MA 02139, USA
2. Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA 02155, USA
3. Instituto de Cerámica de Galicia (ICG), Universidade de Santiago de Compostela, Avda. do Mestre Mateo, 25, 15706, Santiago de Compostela, A Coruña, Spain
4. Center for Computational Science and Engineering, Schwarzman College of Computing, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA 02139, USA