1. Institute of Logistics Science and Engineering, Shanghai Maritime University, Shanghai 201306, China
2. School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
3. ISCTE – Instituto Universitário de Lisboa, Lisbon University Institute, Lisbon, Portugal
4. School of Traffic and Transportation Engineering, Central South University, Changsha 410075, China
5. Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China