1. Department of Chemistry and Center for Materials Science and Nanotechnology (SMN)University of Oslo 0315 Oslo Norway
2. SINTEF Industry 0373 Oslo Norway
3. Department of Chemistry and INSTM Reference CenterUniversity of Turin 10125 Turin Italy
4. Haldor Topsøe A/S Nymøllevej 55 2800 Kgs. Lyngby Denmark