1. Faculty of Transport Engineering, Vilnius Gediminas Technical University, LT-10223 Vilnius, Lithuania
2. Faculty of Mechanical Engineering, Wrocław University of Science and Technology, 50-8 371 Wrocław, Poland
3. Faculty of Mechanical Engineering and Mechatronics, West Pomeranian University of Technology, 70-310 Szczecin, Poland
4. Faculty of Production Engineering and Logistics, Opole University of Technology, 45-6 758 Opole, Poland