1. Department of Management Sciences; College of Business; City University of Hong Kong; Kowloon Tong, Kowloon Hong Kong SAR China
2. Department of Logistics and Maritime Studies; Faculty of Business; The Hong Kong Polytechnic University; Hung Hom, Kowloon Hong Kong SAR China
3. Department of Management Science and Engineering; School of Management; Zhejiang University, Zijingang Campus; Hangzhou 310058 Zhejiang China