1. Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708, USA
2. Office of Biomedical Graduate Education, Duke University School of Medicine, Durham, NC 27710, USA
3. Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
4. Center for Genomic and Computational Biology, Duke University, Durham, NC 27708, USA
5. Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, NC 27708, USA
6. Department of Physics, University of Dayton, 300 College Park, Dayton, Ohio 45469, USA
7. Department of Electro-Optics and Photonics, University of Dayton, 300 College Park, Dayton, Ohio 45469, USA