1. Biology Department, Duke University, Durham, NC 27708
2. Department of Pharmacology and
3. Joint Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC 27599
4. North Carolina State University, Raleigh, NC 27695
5. Bennett College, Greensboro, NC 27401
6. National Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China
7. Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147
8. Departments of Physics and Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720