1. Department of Tourism and Regional Studies, Institute of Geography, Pedagogical University of Cracow, Cracow, Poland
2. Faculty of Geography and Regional Studies, University of Warsaw, Warsaw, Poland
3. Department of Integrated Geodesy and Cartography, AGH University of Science and Technology, Krakow, Poland
4. Hainan University – Arizona State University Joint International Tourism College (HAITC), Hainan, People's Republic of China
5. College of Asia Pacific Studies, Ritsumeikan Asia Pacific University, Oita, Japan
6. Center for Tourism Research, Wakayama University, Wakayama-city, Japan