1. Western Norway Research Institute, Sogndal, Norway
2. Service Management and Service Studies, Lund University, Helsingborg, Sweden
3. School of Business and Economics, Linnaeus University, Kalmar, Sweden
4. Ecole hôtelière de Lausanne, HES-SO University of Applied Sciences and Arts Western Switzerland, Lausanne 25, Switzerland
5. Business and Marketing Department, Pablo de Olavide University, Seville, Spain
6. UFR Arts, Lettres, Langues et Sciences Humaines, Aix-Marseille Université, Marseille, France
7. Centre for Sustainability, Tourism & Transport, Breda University of Applied Sciences, DX Breda, The Netherlands