1. Department of Mechanical Engineering, Tufts University, Medford, MA 02155, USA
2. Departments of Biology and Medicine, University of Rochester, Rochester, NY, 14627, USA
3. NanoScience Solutions, Inc., Arlington, VA 22203, USA
4. Sarov Physics and Technology Institute, MEPhI, Sarov, Russian Federation
5. Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
6. Department of Physics, Tufts University, Medford, MA 02155, USA