1. Materials Research Laboratory, University of Nova Gorica, Vipavska 11c, 5270 Ajdovščina, Slovenia
2. Institute of Catalysis, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Bldg. 11, Sofia 1113, Bulgaria
3. Institute “Jožef Stefan”, Jamova 39, 1000 Ljubljana, Slovenia
4. Catalysis Research Center, Hokkaido University, N21, W10, 001-0021 Sapporo, Japan
5. Department of Chemistry and Materials Science, National Institute of Technology, Gunma College, 580 Toriba, Maebashi 371-8530, Gunma, Japan
6. Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Sofia 1113, Bulgaria