1. Department of Chemistry, Biochemistry and Pharmaceutical Science, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
2. National Centre of Competence in Research (NCCR) Catalysis, University of Bern, Freiestrasse 3, 3012 Bern, Switzerland
3. Department of Physical Chemistry, Eötvös Loránd University, Pázmány Péter sétány 1/A, 1117 Budapest, Hungary
4. European Synchrotron Radiation Facility (ESRF), 71 Avenue des Martyrs, 38000 Grenoble, France