1. College of Economics and Management, Huazhong Agricultural University, Hubei, Wuhan, China
2. Faculty of Science, University of Auckland, Auckland, New Zealand
3. International Business School, Guangzhou City University of Technology, Guangdong, Guangzhou, China
4. Department of Informatics and Quantitative Methods, Faculty of Informatics and Management, University of Hradec Kralove, Hradec Kralove, Czech Republic