1. Department of Biomedical Engineering Northwestern University Evanston IL 60208 USA
2. Stanford Synchrotron Radiation Lightsource SLAC National Accelerator Laboratory Menlo Park CA 94025 USA
3. Department Chemie Universität Paderborn Warburger Str. 100 Paderborn 33098 Germany
4. X‐Ray Science Division Argonne National Laboratory Lemont IL 60439 USA