1. Faculty of Business and Accountancy, University of Malaya, Kuala Lumpur, Malaysia
2. Park, Recreation and Tourism Management, University of Georgia, Athens, Georgia, USA
3. School of Tourism & Hospitality Management, University of Johannesburg, Auckland Park, South Africa
4. Department of Urban and Regional Planning, University Technology Malaysia, Johor Bahru, Malaysia
5. Faculty of Human Science, University of Science and Culture, Tehran, Iran