1. Department of Heterogeneous Catalysis; Max-Planck-Institut für Kohlenforschung; Mülheim an der Ruhr Germany
2. Institut Lavoisier de Versailles; University of Versailles; Versailles France
3. Center for Surface Chemistry and Catalysis; KU Leuven; Leuven Belgium
4. National Center for High Resolution Electron Microscopy; Lund University; Lund Sweden
5. Division of Physical Chemistry, KILU; Lund University; Lund Sweden