1. Department of Civil Engineering; KU Leuven; Kasteelpark Arenberg 40, bus 2448 3001 Leuven Belgium
2. KU Leuven; High Temperature Processes and Industrial Ecology; Department of Materials Engineering; Kasteelpark Arenberg 44, bus 240 3001 Leuven Belgium
3. Institute of Materials; Ecole Polytechnique Fédérale de Lausanne; Station 12 1015 Ecublens Switzerland
4. KU Leuven; Centre for Surface Chemistry and Catalysis; Department of Microbial and Molecular Systems; Kasteelpark Arenberg 23 box 2461 3001 Leuven Belgium