1. Institute for Nanobiotechnology, The Johns Hopkins University, Baltimore, MD 21218, USA.
2. Department of Oncology, The Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.
3. Bioengineering and Aerospace Engineering Department, Universidad Carlos III de Madrid, 28911 Leganés, and Instituto de Investigación Sanitaria Gregorio Marañón, 28007 Madrid, Spain.
4. Optical Cell Biology Group, Instituto Gulbenkian de Ciência, R. Q.ta Grande 6 2780, 2780-156 Oeiras, Portugal.
5. Department of Biomedical Engineering, Yale University, New Haven, CT 06520, USA.
6. Department of Applied Mathematics and Statistics, Johns Hopkins University Whiting School of Engineering, Baltimore, MD 21218, USA.
7. Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD 21218, USA.
8. Department of Chemical and Biomolecular Engineering, Johns Hopkins Physical Sciences-Oncology Center, The Johns Hopkins University, Baltimore, MD 21218, USA.
9. Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.