1. Faculty of Mechanical Engineering, Wrocław University of Science and Technology, Łukasiewicza 5, 50-371 Wrocław, Poland
2. Faculty of Transport Engineering, Vilnius Gediminas Technical University, Plytinės g. 25, 10105 Vilnius, Lithuania
3. Faculty of Engineering Production and Logistics, Opole University of Technology, ul. Sosnkowskiego 31, 45-272 Opole, Poland