1. Department of International Hospitality and Service Innovation at Saunders College of Business, Rochester Institute of Technology, Rochester, NY, USA
2. Department of Marketing at the Faculty of Business and Law, University of Portsmouth, Portsmouth, UK
3. School of Hospitality Business Management, Carson College of Business, Washington State University, Pullman, WA, USA
4. School of Tourism and Hospitality, University of Johannesburg, Johannesburg, South Africa