1. Department of Chemistry, The University of Iowa, Iowa City, Iowa 52242, United States
2. Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey 08854, United States
3. Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
4. National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, United States
5. Department of Chemical and Biomolecular Engineering, The Ohio State University, Columbus, Ohio 43210, United States
6. Department of Chemistry, University of Missouri, Columbia, Missouri 65211, United States