1. Department of Logistics and Maritime Studies, The Hong Kong Polytechnic University, Hung Hom Kowloon, Hong Kong
2. Research Assistant. Department of Logistics and Maritime Studies, The Hong Kong Polytechnic University, Hong Kong. PhD candidate, Faculty of International Law, China University of Political Science and Law, Beijing, China
3. Department of Civil Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong