1. School of Management Science and Engineering, Dongbei University of Finance & Economics, Dalian, People’s Republic of China
2. School of Management and Economics, North China University of Water Resources and Electric Power, Zhengzhou, Henan, People’s Republic of China
3. Department of Operations Management & Information Systems, College of Business, Northern Illinois University, DeKalb, IL, USA
4. Sheldon B. Lubar School of Business, University of Wisconsin-Milwaukee, Milwaukee, WI, USA