1. Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology in Szczecin, 70-310 Szczecin, Poland
2. Litostroj Power d.o.o., 1000 Ljubljana, Slovenia
3. Faculty of Mechanical Engineering, University of Ljubljana, 1000 Ljubljana, Slovenia
4. Faculty of Mechanical Engineering, Wrocław University of Science and Technology, 50-370 Wrocław, Poland
5. Faculty of Production Engineering and Logistics, Opole University of Technology, 45-758 Opole, Poland
6. Faculty of Transport Engineering, Vilnius Gediminas Technical University, LT-10223 Vilnius, Lithuania