1. Department of Geography, Faculty of Humanities, Ferdowsi University of Mashhad, Mashhad, Iran
2. Geography Research Unit, University of Oulu, Oulu, Finland
3. Centre for Research and Innovation in Tourism (CRiT), Taylor's University, Subang Jaya, Malaysia
4. Department of Marketing, Excelia Business School, CEREGE (UR 13564), La Rochelle, France