1. National Institute of Chemistry, Hajdrihova 19, 1000 Ljubljana, Slovenia
2. University of Nova Gorica, Vipavska 13, SI-5000 Nova Gorica, Slovenia
3. Jožef Stefan Institute, Jamova cesta 39, SI-1000 Ljubljana, Slovenia
4. Association for Technical Culture (ZOTKS), Zaloška 65, 1000 Ljubljana, Slovenia