1. Department of Geography, Birkbeck, University of London, London, UK
2. Centre for Advanced Spatial Analysis, University College London, London, UK
3. Collaborative Innovation Centre for Transport Studies, Dalian Maritime University, Dalian, People’s Republic of China
4. School of Maritime Economics and Management, Dalian Maritime University, Dalian, People’s Republic of China
5. School of Management, Shanghai University, Shanghai, People’s Republic of China