1. European X-ray Free-Electron Laser Facility, 22869 Schenefeld, Germany
2. Institut für Kernphysik, Goethe-Universität Frankfurt am Main, 60438 Frankfurt am Main, Germany
3. Deutsches Elektronen-Synchrotron DESY, 22607 Hamburg, Germany
4. Macromolecular Physics Department, Instituto de Estructura de la Materia, IEM-CSIC, 28006 Madrid, Spain
5. Laboratory of Molecular Fluid Dynamics, Instituto de Estructura de la Materia, IEM-CSIC, 28006 Madrid, Spain
6. Dipartimento di Fisica “Aldo Pontremoli,” Università degli Studi di Milano, 20133 Milano, Italy
7. GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
8. Molecular Physics, Fritz-Haber-Institut der Max-Planck-Gesellschaft, 14195 Berlin, Germany
9. The Hamburg Centre for Ultrafast Imaging, 22761 Hamburg, Germany
10. Institut Lumière Matière, Université Claude Bernard Lyon 1, CNRS, Institut Universitaire de France, 69622 Villeurbanne, France