1. Division of Synchrotron Radiation Research, Department of Physics, Lund University, Sölvegatan 14, 22362 Lund, Sweden
2. NanoLund, Lund University, Professorsgatan 1, 22362 Lund, Sweden
3. Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
4. Chair for Theoretical Chemistry and Catalysis Research Center, Technische Universität München, Lichtenbergstr. 4, D-85748 Garching, Germany
5. Department of Chemical Engineering, Norwegian University of Science and Technology, Trondheim 7034, Norway
6. MAX IV Laboratory, Lund University, Fotongatan 2, 22484 Lund, Sweden
7. Aarhus Institute of Advanced Studies, Aarhus University, Aarhus C DK-8000, Denmark
8. Department of Physics and Astronomy - Center for Interstellar Catalysis, Aarhus University, Aarhus C DK-8000, Denmark