1. Department of International Trade and Logistics, Graduated school Chung-Ang University, Seoul, South Korea
2. Department of Logistics, Service & Operations Management, Korea University Business School, Seoul, South Korea
3. Department of Shipping and Transportation Management, National Kaohsiung University of Science and Technology, Kaohsiung, Taiwan
4. Department of International Logistics, College of Business and Economics, Chung-Ang University, Seoul, South Korea