1. Department of Transport and Regional Economics, University of Antwerp, Antwerp, Belgium
2. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, Singapore
3. Department of Economics and Business Studies, University of Genova, Genova, Italy
4. Department of Shipping, Trade and Transport, University of the Aegean, Chios, Greece
5. Kühne Logistics University, Hamburg, Germany
6. Instituto Superior Técnico, Lisboa, Portugal
7. University of Southern California, Los Angeles, CA, USA