1. Soft Biomatter Laboratory, Department of Material Science and Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
2. National Synchrotron Light Source-II, Brookhaven National Laboratory, Upton, New York 11973, United States
3. Department of Chemical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States
4. Department of Biomedical Engineering, University of Virginia, Charlottesville, Virginia 22904, United States