1. Tourism Research Group, Division of Geography and Tourism, Department of Earth & Environmental Sciences, Faculty of Sciences, University of Leuven (KU Leuven), Leuven, Belgium
2. Staff of Division of Geography and Tourism, Department of Earth & Environmental Sciences, Faculty of Sciences, University of Leuven (KULeuven), Leuven, Belgium
3. Department of Tourism Studies and Geography, Mid-Sweden University, Östersund, Sweden