1. School of Management, Jinan University, Guangzhou, Guangdong, China
2. H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
3. Faculty of Business, Department of Logistics and Maritime Studies, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
4. School of Business Administration, South China University of Technology, Guangzhou, Guangdong, China