1. Department of Mechanical Engineering, Faculty of TechnologyInstitute of Technology and Business in České Budějovice Okružní 10 37001 ČESKÉ BUDĚJOVICE CZECH REPUBLIC
2. Faculty of EngineeringSlovak University of Agriculture in Nitra Tr. A. Hlinku 2 94976 NITRA SLOVAK REPUBLIC
3. Faculty of Industrial Technologies in PúchovAlexander Dubček University of Trenčín Ivana Krasku 491/30 02001 PUCHOV SLOVAK REPUBLIC
4. Technical University of Kosice, Faculty of Manufacturing Technologies with a seat in Prešov Bayerova 1 08001 PREŠOV SLOVAK REPUBLIC