1. Center for Molecular Design and Biomimetics, The Biodesign Institute, Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287, United States
2. Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
3. National Center of Macromolecular Imaging, Department of Bioengineering and Department of Microbiology and Immunology, James H. Clark Center, Stanford University, Stanford, California 94305, United States