1. Faculty of Transportation Engineering and Vehicle Engineering, Budapest University of Technology and Economics, Műegyetem rkp. 3, 1111 Budapest, Hungary
2. Department for Logistics, KTI—National Institute for Transport Sciences, Than Karoly Str. 3-5, 1119 Budapest, Hungary
3. Faculty of Economics in Szczecin, WSB Merito University in Poznan, 5 Powstancow Wielkopolskich Str., 61895 Poznan, Poland
4. Faculty of Maritime Technology and Transport, West Pomeranian University of Technology in Szczecin, Ave. Piastów 41, 71065 Szczecin, Poland
5. Maritime Office in Szczecin, 4 Stefana Batorego Sqr., 70207 Szczecin, Poland