1. College of Tourism and Service Management at Nankai University, Tianjin, People’s Republic of China
2. School of Business Administration, Faculty of Business Administration, Southwestern University of Finance and Economics, Chengdu, People’s Republic of China
3. Nottingham University Business School, Nottingham, UK
4. University of Eastern Finland Business School, Yliopistokatu 2, FI-80100 Joensuu, Finland