1. Disease Biophysics Group, John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA.
2. Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA.
3. Department of Health Technology, Technical University of Denmark, Kgs. Lyngby 2800, Denmark.
4. Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.
5. Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.
6. Ecole Polytechnique Federale Lausanne (EPFL), School of Engineering, Institute of Materials, Programmable Biomaterials Laboratory, Station 12, 1015 Lausanne, Switzerland.
7. FAS Division of Science, Harvard University, Cambridge, MA 02138, USA.
8. Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02115, USA.