1. Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
2. Department of Materials Science and Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
3. SLAC National Accelerator Laboratory, 2575 Sand Hill Road MS69, Menlo Park, California 94025, United States
4. Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States
5. Linac Coherent Light Source, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, California 94025, United States
6. Department of Radiology, Stanford University, Stanford, California 94305, United States