1. Department of Chemistry, Emory University, Atlanta, Georgia 30322, United States
2. Paul Scherrer Institut, CH-5232 Villigen, Switzerland
3. X-ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
4. The Robert P. Apkarian Integrated Electron Microscopy Core, Emory University, Atlanta, Georgia 30322, United States
5. Center for Cellular Imaging and NanoAnalytics, Biozentrum, University of Basel, CH-4058 Basel, Switzerland