1. Deutsches Elektronen-Synchrotron DESY, 22607 Hamburg, Germany
2. ITMO University, 197101 Saint Petersburg, Russia
3. Institute of Solid State Physics of Russian Academy of Sciences, 142432 Chernogolovka, Russia
4. Institut für Experimentelle Physik, TU Bergakademie Freiberg, D-09596 Freiberg, Germany
5. Europian XFELGmbH, D-22869 Schenefeld, Germany
6. Institut für Physik, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
7. Institute of Microelectronics Technology and High-Purity Materials of Russian Academy of Sciences, 142432 Chernogolovka, Russia
8. Institute of Chemistry and Biochemistry, Free University of Berlin, D-14195 Berlin, Germany
9. Institut für Festkörper- und Materialphysik, Technische Universität Dresden, 01062 Dresden, Germany