1. School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China
2. Interdisciplinary Research Center on Biology and Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 201203, China
3. University of the Chinese Academy of Sciences, Beijing 100049, China
4. Mathematical BioPhysics Group, Max Planck Institute for Biophysical Chemistry, Göttingen 37077, Germany
5. Department of Physics, North Carolina State University, Raleigh, NC 27695, USA
6. UT/ORNL Center for Molecular Biophysics, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
7. Department of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, Tennessee 37996, USA
8. Institute of Natural Sciences, Shanghai Jiao Tong University, Shanghai 200240, China