1. Stanford PULSE Institute
2. SLAC National Accelerator Laboratory
3. Menlo Park
4. USA
5. Department of Chemistry
6. Norwegian University of Science and Technology
7. NO-7491 Trondheim
8. Norway
9. Department of Physics
10. University of Connecticut Storrs
11. Storrs
12. Departments of Physics and Applied Physics
13. DTU Chemistry
14. Linac Coherent Lightsource
15. University of Gothenburg
16. 412 58 Gothenburg
17. Sweden
18. Department of Physics and Astronomy
19. Uppsala University
20. Uppsala
21. Elettra-Sincrotrone Trieste
22. Trieste
23. Italy
24. Scuola Normale Superiore
25. I-56126 Pisa
26. Institut für Physik und Astronomie
27. Universität Potsdam
28. DE-14476 Potsdam
29. Germany