1. Integrative Program for Biological and Genome Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
2. Department of Biophysics, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02-106 Warsaw, Poland
3. Department of Biological Sciences, Columbia University, New York, NY 10027, USA
4. California NanoSystems Institute, University of California Los Angeles, Los Angeles, CA 90095, USA
5. Institute of Genetics and Biotechnology, Warsaw University, 02-106 Warsaw, Poland
6. Department of Biochemistry and Biophysics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA