1. Topsoe A/S, Haldor Topsøes Allé 1, DK-2800 Kgs. Lyngby, Denmark
2. Competence Centre for Catalysis, and Department of Physics, Chalmers University of Technology, 41296 Göteborg, Sweden
3. Centre for Analysis and Synthesis, Lund University, Box 124, Lund 22100, Sweden
4. Competence Centre for Catalysis, and Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
5. Center for Visualizing Catalytic Processes (VISION), Department of Physics, Technical University of Denmark, DK-2800 Kgs. Lyngby, Denmark