1. Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany
2. Department of Physics, Universität Hamburg, Hamburg, Germany
3. Institute of Physical Chemistry, Christian-Albrechts-Universität zu Kiel, Kiel, Germany
4. Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
5. European XFEL, Schenefeld, Germany
6. Center for Free-Electron Laser Science CFEL, Deutsches Elektronen-Synchrotron DESY, Germany
7. Department of Physics, Lund University, Lund, Sweden
8. Van’t Hoff Institute for Molecular Sciences, University of Amsterdam, Amsterdam, The Netherlands
9. FELIX Laboratory, Radboud University, Nijmegen, The Netherlands
10. Université Claude Bernard Lyon 1, Villeurbanne, France
11. Department of Chemistry, Universität Hamburg, Hamburg, Germany
12. Center for Ultrafast Imaging, Universität Hamburg, Hamburg, Germany
13. Division of BioAnalytical Chemistry, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
14. J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA
15. Zernike Institute for Advanced Materials, University of Groningen, Groningen, The Netherlands