1. School of Economics and Management, Nanjing University of Science and Technology, Nanjing, People’s Republic of China
2. New Zealand Tourism Research Institute, Auckland University of Technology, Auckland, New Zealand
3. Department of Hospitality Management, Shandong Tourism Vocational College, Jinan, People’s Republic of China
4. Shangdong College of Tourism and Hospitality, Jinan, Shandong Province, China